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Journal articles on the topic 'CO2 emissions effect on E performance'

Author: Grafiati

Published: 29 June 2021

Last updated: 29 July 2025

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1

Yang, Weiwei, and Yingying Hei. "Research on the Impact of Enterprise ESG Ratings on Carbon Emissions from a Spatial Perspective." Sustainability 16, no. 9 (2024): 3826. http://dx.doi.org/10.3390/su16093826.

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Based on 208 city-level data in China, this paper empirically analyzes the impact of ESG rating on carbon emissions through the SDM spatial metrology model, identifies the direct and indirect consequences and spatial spillover effects of ESG rating on carbon emissions, and compares the regional heterogeneity and city-size heterogeneity of such impacts. This paper draws three conclusions: (1) Empirical evidence shows that the ESG rating performance of enterprises has a significant inhibition effect on carbon dioxide emissions. Specifically, when the ESG rating performance increases by 1%, carbo

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2

Xu, Xianpu, and Bijiao Yi. "New Insights into the Impact of Local Corruption on China’s Regional Carbon Emissions Performance Based on the Spatial Spillover Effects." Sustainability 14, no. 22 (2022): 15310. http://dx.doi.org/10.3390/su142215310.

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The increase of carbon dioxide emissions (CO2) is one of the greatest challenges facing mankind today. Although some studies have examined the factors influencing carbon emissions from various angles, research on the nexus between corruption and carbon pollution has not received enough attention. In this context, using provincial panel data for China from 2003 to 2017, this paper adopts spatial econometric methods to explore the effect and mechanisms of corruption on CO2 emissions. The results indicate that: (1) China’s carbon emissions present significant spatial agglomeration characteristics

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3

Shiraishi, Tomohiro, Ryuichi Hirata, and Takashi Hirano. "New Inventories of Global Carbon Dioxide Emissions through Biomass Burning in 2001–2020." Remote Sensing 13, no. 10 (2021): 1914. http://dx.doi.org/10.3390/rs13101914.

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Recently, the effect of large-scale fires on the global environment has attracted attention. Satellite observation data are used for global estimation of fire CO2 emissions, and available data sources are increasing. Although several CO2 emission inventories have already been released, various remote sensing data were used to create the inventories depend on the studies. We created eight global CO2 emission inventories through fires from 2001 to 2020 by combining input data sources, compared them with previous studies, and evaluated the effect of input sources on CO2 emission estimation. CO2 e

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An, Kaige, Xiaowei Wang, Zhenning Wang, et al. "Dynamic Interactive Effects of Technological Innovation, Transportation Industry Development, and CO2 Emissions." Sustainability 16, no. 19 (2024): 8672. http://dx.doi.org/10.3390/su16198672.

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This paper aims to clarify the intricate relationships between technological innovation, transportation industry development, and CO2 emissions to facilitate a positive synergy among technology, the economy, and climate, advancing the fulfillment of the ‘double carbon’ goal. Utilizing panel data from 30 provinces in China from 2005 to 2020, we employ the panel vector autoregressive model using a generalized method of moments to empirically examine the dynamic interactive effects between these participants. The findings reveal that the transportation industry significantly promoted the inhibito

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Wang, Yaxian, Xiaoyu Wang, Na Li, Tomas Balezentis, and Dalia Streimikiene. "How does the digital economy drive CO<sub>2</sub> reduction in China? Evidence from a novel decomposition model and scenario analysis." Oeconomia Copernicana 2025, no. 16 (2025): 247–81. https://doi.org/10.24136/oc.3168.

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Research background: Increasing CO2 emissions place considerable strain on environmental performance, whereas the digital economy, as a transformative economic paradigm, has been identified as an essential catalyst for mitigating environmental effects. However, the inherent limitations of conventional decomposition models have led previous decomposition analyses to overlook the driving effect of the digital economy on CO2 emissions. Purpose of the article: Examining the impacts of the digital economy within the framework of CO2 emissions disaggregation and subsequently projecting the future pa

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6

Um Min Allah, Fazal, and Alexandru Gruia. "Experimental Investigation on the Effect of Bioethanol on Emission Performance of Diesel Engine for Rapeseed Biodiesel-Diesel Blends." Applied Mechanics and Materials 823 (January 2016): 319–22. http://dx.doi.org/10.4028/www.scientific.net/amm.823.319.

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Global warming and climate change are the motives to find a solution for emission reduction of diesel engines. Bioethanol is renewable fuel which can be used in diesel engine as a part of biodiesel-diesel blends. The effect of bioethanol on the emission performance of diesel engine for rapeseed biodiesel-diesel blends as a function of engine load is evaluated in this paper. KDE 6500E diesel generator is used for this purpose. Carbon monoxide (CO), unburned hydrocarbons (HC), oxygen (O2) and carbon dioxide (CO2) emissions are recorded with the help of VLT-458 exhaust gas analyzer. Blends with h

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7

Lebedevas, Sergejus, Lukas Norkevičius, and Peilin Zhou. "Investigation of Effect on Environmental Performance of Using LNG as Fuel for Engines in Seaport Tugboats." Journal of Marine Science and Engineering 9, no. 2 (2021): 123. http://dx.doi.org/10.3390/jmse9020123.

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Decarbonization of ship power plants and reduction of harmful emissions has become a priority in the technological development of maritime transport, including ships operating in seaports. Engines fueled by diesel without using secondary emission reduction technologies cannot meet MARPOL 73/78 Tier III regulations. The MEPC.203 (62) EEDI directive of the IMO also stipulates a standard for CO2 emissions. This study presents the results of research on ecological parameters when a CAT 3516C diesel engine is replaced by a dual-fuel (diesel-liquefied natural gas) powered Wartsila 9L20DF engine on a

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8

Tu, Kezhi, Yanfeng Wang, Xian Li, et al. "CO2 Emission Prediction for Coal-Fired Power Plants by Random Forest-Recursive Feature Elimination-Deep Forest-Optuna Framework." Energies 17, no. 24 (2024): 6449. https://doi.org/10.3390/en17246449.

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As the greenhouse effect intensifies, China faces pressure to manage CO2 emissions. Coal-fired power plants are a major source of CO2 in China. Traditional CO2 emission accounting methods of power plants are deficient in computational efficiency and accuracy. To solve these problems, this study proposes a novel RF-RFE-DF-Optuna (random forest–recursive feature elimination–deep forest–Optuna) framework, enabling accurate CO2 emission prediction for coal-fired power plants. The framework begins with RF-RFE for feature selection, identifying and extracting the most important features for CO2 emis

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9

Dkhili, H., and L. B. Dhiab. "Management of Environmental Performance and Impact of the Carbon Dioxide Emissions (CO2) on the Economic Growth in the GCC Countries." Marketing and Management of Innovations, no. 4 (2019): 252–68. http://dx.doi.org/10.21272/mmi.2019.4-20.

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This paper summarizes the arguments and counterarguments within the scientific discussion on the issue the Management of Environmental Performance and the Carbon Dioxide Emissions (CO2) on the Economic Growth, with an innovative study in the context of the GCC countries. The main goal of the paper is to examine empirically the environmental Kuznets curve hypothesis for the GCC countries. The methodological tool of this contribution tries to measure the effect of the emission of the CO2 on the Growth Economic and environmental performance. The main purpose of the research is focused on the empi

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10

Batutah, Moh Arif, and Duong Tuan Anh Nguyen. "THE EFFECT OF EXHAUST EMISSIONS L, O2, CO, CO2 AND HYDROCARBON FOR PERFORMANCE OF ALL NEW ERTIGA AUTOMOTIVE." International Journal of Mechanical Engineering Technologies and Applications 6, no. 1 (2025): 48–57. https://doi.org/10.21776/mechta.2025.006.01.5.

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The automotive with various and brands, both from Asia and Europe are all here. How much exhaust emissions are produced if each person uses the motor vehicle itself. The purpose of this study is to compare the quality of fuel used with the exhaust emissions of l, O2, CO, CO2 and HC produced. The test method is conducting sampling tests on All New Ertiga and testing emissions using a Gas Analyzer Tester. The fuel variants used in the emission testing process are pertamax, pertamax + octan booster, pertamax turbo and pertamax turbo + octan booster. With several variants of fuel used, can find ef

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11

Panteli, Maria, and Sofia Delipalla. "The Impact of Institutions on Economic and Environmental Performance: Evidence From Europe." South East European Journal of Economics and Business 17, no. 2 (2022): 125–41. http://dx.doi.org/10.2478/jeb-2022-0019.

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Abstract Within the Environmental Kuznets Curve framework, we investigate whether the effect of institutions on environmental quality differs among the Western Balkans, the other European post-socialist states, and Western Europe. We estimate both direct and indirect effects of institutions on air pollution for each respective sub-sample and for the whole European region (45 countries during 1996-2014). The negative direct effect is greater for non-post-socialist states, compared to post-socialist ones. Regarding the indirect effect, improving the quality of economic institutions induces an in

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12

Orre, Joel, Lena Sundqvist Ökvist, Axel Bodén, and Bo Björkman. "Understanding of Blast Furnace Performance with Biomass Introduction." Minerals 11, no. 2 (2021): 157. http://dx.doi.org/10.3390/min11020157.

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The blast furnace still dominates the production and supply of metallic units for steelmaking. Coke and coal used in the blast furnace contribute substantially to CO2 emissions from the steel sector. Therefore, blast furnace operators are making great efforts to lower the fossil CO2 emissions and transition to fossil-free steelmaking. In previous studies the use of pre-treated biomass has been indicated to have great potential to significantly lower fossil CO2 emissions. Even negative CO2 emission can be achieved if biomass is used together with carbon capture and storage. Blast furnace condit

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13

Jiang, Xue-Ting, Min Su, and Rongrong Li. "Decomposition Analysis in Electricity Sector Output from Carbon Emissions in China." Sustainability 10, no. 9 (2018): 3251. http://dx.doi.org/10.3390/su10093251.

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Carbon emissions from China’s electricity sector account for about one-seventh of the global carbon dioxide emissions, or half of China’s carbon dioxide emissions. A better understanding of the relationship between CO2 emissions and electric output would help develop and adjust carbon emission mitigation strategies for China’s electricity sector. Thus, we applied the electricity elasticity of carbon emissions to a decoupling index that we combined with advanced multilevel Logarithmic Mean Divisia Index tools in order to test the carbon emission response to the electric output and the main driv

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14

Radjawane, Louise Elizabeth, and Virginia Claudia Lao. "Evaluation of Type 322 Un-Signalized Intersection Performance." International Journal of Science, Technology & Management 4, no. 3 (2023): 568–74. http://dx.doi.org/10.46729/ijstm.v4i3.818.

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Currently the world is trying to improve air quality which has an impact on climate change. Including Indonesia contributing to various international forums that discuss greenhouse gas emission reduction programs, including in the transportation sector. The Batua Raya-Toddopuli-Borong Raya intersection is an alternative intersection for travelers from Makassar City to Sungguminasa City or Maros City, and vice versa. The aim of this research is to obtain the delay and the relationship between the delay and the emission load at the un-signalized intersection of the Batua Raya-Toddopuli-Borong Ra

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15

Sembiring, Etti Ernita, Arry Irawan, Endah Dwi Kusumastuti, Nadya Ramahdani Putri, and Nadya Sofa Gitta Ramadhani. "Disclosure of CO2 emissions, community complaints, occupational safety and its relation to financial distress." E3S Web of Conferences 479 (2024): 04001. http://dx.doi.org/10.1051/e3sconf/202447904001.

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The Indonesian government is committed to resolving emission issues through the development of green industries. The government encourages industries to transform into sustainable industries that are environmentally friendly. The Indonesian government asks the public and the market to put pressure on the industry to improve its environmental performance. The public can monitor and pressure companies through the disclosure of environmental performance information such as disclosure of CO2 emissions. In addition to environmental performance, disclosure of corporate social performance is no less

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16

Breen, Michael, Michael D. Murphy, and John Upton. "Assessing the Effect of Modifying Milking Routines on Dairy Farm Economic and Environmental Performance." AgriEngineering 3, no. 2 (2021): 266–77. http://dx.doi.org/10.3390/agriengineering3020018.

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The objective of this paper was to quantify the economic and environmental effects of changing a dairy farm’s milking start times. Changing morning and evening milking start times could reduce both electricity costs and farm electricity related CO2 emissions. However, this may also involve altering farmer routines which are based on practical considerations. Hence, these changes need to be quantified both in terms of profit/emissions and in terms of how far these milking start times deviate from normal operations. The method presented in this paper optimized the combination of dairy farm infra

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17

Wang, Ping, Wan Shui Wu, and Bang Zhu Zhu. "Using LMDI Method to Analyze the Energy-Related CO₂ Emissions in Guangdong Province, China." Applied Mechanics and Materials 291-294 (February 2013): 1556–61. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.1556.

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In recent years, Guangdong has achieved remarkable performance in economic development; meanwhile it is being faced with problems of increasing CO2 emissions. Following the IPCC Guidelines for National Greenhouse Gas Inventories, we estimated the energy-related CO2 emissions in Guangdong during the period of 1980-2010. We employed the logarithmic mean divisia index (LMDI) method to decompose the CO2 emissions into energy intensity, energy structure, per capita GDP and population scale effects. Besides, we deduced the calculation methods for the year by year effects, the accumulated effects and

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18

Szymczyk, Katarzyna, Dilek Şahin, Haşim Bağcı, and Ceyda Yerdelen Kaygın. "The Effect of Energy Usage, Economic Growth, and Financial Development on CO2 Emission Management: An Analysis of OECD Countries with a High Environmental Performance Index." Energies 14, no. 15 (2021): 4671. http://dx.doi.org/10.3390/en14154671.

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The environmental performance index was developed to protect public health, and to sustain and manage the ecological vitality that is a crucial factor in countries’ social and economic development. The increase in CO2 emissions has been threatening environmental and human health. The main objective of this study is to evaluate the impact of economic growth, energy consumption, energy management, the urban population, trade openness, and financial development on CO2 emissions in the OECD countries that have a high ranking in the environmental performance index by utilizing the panel data analys

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19

Bhikuning, Annisa. "The Simulation of Performance and Emissions from Rapeseed and Soybean Methyl Ester in Different Injection Pressures." Automotive Experiences 4, no. 3 (2021): 112–18. https://doi.org/10.31603/ae.4682.

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Biodiesel is one of the promising alternative fuels of the future that is environmentally friendly. Biodiesel can be produced from rapeseed, soybeans, coconut oil, jatropha and many others. It is important to analyze the effect of comparison between diesel fuel and biodiesel to study the effect of combustion and emissions of these fuels. In this research, the simulation of combustion and emission is done with Diesel RK. Three fuels are studied; diesel fuel, rapeseed methyl ester (RME) and soybean methyl ester (SME). The engine was simulated at 2000 rpm and the injection pressures were 944, 119

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20

Zhang, Liufeng, Yinghua Yang, and Jiongfeng Liang. "Cost and CO2 Emission Reduction Effects of a Partially Encased Composite Precast Concrete Beam." Advances in Civil Engineering 2020 (June 8, 2020): 1–7. http://dx.doi.org/10.1155/2020/7062819.

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In order to study the performance of partially precast partially encased assembled composite beam (PPECB) in reducing costs and reducing carbon dioxide (CO2) emissions, this paper obtained the bearing capacity of PPECBs by a static test. Considering the load conditions and beam height conditions as constraints, the steel-concrete composite beam (SCCB) and reinforced concrete beam (RCB) were optimized and designed based on the principle of fully utilizing the advantages of steel and concrete. On the basis of investigating the quantity of different materials, the cost and CO2 emissions of the th

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21

Anwar Syahmi, Mas Fawzi, Shahrul Azmir Osman, and Harrison Lau. "Engine Performance and Exhaust Emission Effect of Increasing Euro5 Diesel Fuel Blended with 7% to 30% Palm Biodiesel." Journal of Advanced Research in Applied Sciences and Engineering Technology 28, no. 2 (2022): 34–40. http://dx.doi.org/10.37934/araset.28.2.3440.

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Biodiesel blend fuels have gained popularity over the year due to their ability to be used in conventional diesel engines without any modifications and have proven to be a cleaner fuel. The Malaysian National Automotive Policy (NAP) 2020 projects the usage of biodiesel blend B30 (30%) to be implemented by the year 2025 or earlier. Most manufacturers approve its usage but do not suggest using a higher blend than 20%. This paper focuses on the difference in engine performance and exhaust emissions between 7 % and 30% Euro 5 diesel-biodiesel blend. The fuels used are Euro 5 diesel fuel blend with

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22

Wu, Haibo, Zhiyong An, Kai Zhang, Yu Mao, Zhimin Zheng, and Zhaohui Liu. "Experimental study on NOx emission characteristics under oxy-fuel combustion." Clean Energy 7, no. 3 (2023): 595–601. http://dx.doi.org/10.1093/ce/zkad007.

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Abstract This study focuses on the emission characteristics of NOx under oxy-fuel combustion conditions. A comparative analysis with air combustion was performed. NOx emission, control measures and influence factors under different working conditions were studied. Experiments were carried out on a 3-MWth test platform and a laboratory platform. The ‘π’-type furnace was adopted, with the furnace width of 2.6 m, depth of 2.0 m and height of 10.5 m for the 3-MWth coal-fired boiler. NOx emissions at different oxygen concentrations and different air distribution were investigated; the effects of H2

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Nosheen, Malik, Tayyab Ali Malik, Ali Kashif, Asad yaqoob Muhammad, and zahid sharif Muhammad. "Investigate the Economic Performance, Per Capita GDP, Energy Consumption, Domestic Product and Trade Openness on Carbon Emissions in Pakistan." International Journal of Management Sciences and Business Research 09, no. 12 (2020): 123–35. https://doi.org/10.5281/zenodo.5039910.

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<em>This thesis aims to study the effect of Economic Performance, Per Capita GDP, energy consumption, and trade openness on carbon emissions in Pakistan during the period 1990-2019. The importance of analyzing the effect of these factors on CO2 (carbon dioxide) emissions, also known as “greenhouse gases emissions”, stems from the underlying danger of these emissions. Recently, the negative effects of these emissions on climate change have become a hot topic around the world. More alarmingly, the United Nations Environment Program (UNEP, 2014) has announced that global temperature h

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Arneth, A., Ü. Niinemets, S. Pressley, et al. "Process-based estimates of terrestrial ecosystem isoprene emissions." Atmospheric Chemistry and Physics Discussions 6, no. 4 (2006): 8011–68. http://dx.doi.org/10.5194/acpd-6-8011-2006.

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Abstract. In recent years evidence has emerged that the amount of isoprene emitted from a leaf is affected by the CO2 growth environment. Many – though not all – laboratory experiments indicate that emissions increase significantly at below-ambient CO2 concentrations and decrease when concentrations are raised to above ambient levels. A small number of process-based leaf isoprene emission models can reproduce this CO2-stimulation and -inhibition. These models are briefly reviewed, and their performance in standard conditions compared with each other and to an empirical algorithm. One of the mo

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25

Akbıyık, Talip. "Examining the effect of adding natural gas to an engine using a gasoline-methanol mixture as fuel on engine performance and emissions." International Journal of Automotive Engineering and Technologies 14, no. 1 (2025): 69–76. https://doi.org/10.18245/ijaet.1591576.

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The power produced by the combustion of fossil fuels in internal combustion engines is transferred to the powertrain, and this generated power causes carbon dioxide (CO2) and particulate matter emissions. Systems that do not cause CO2 and other harmful emissions or cause less emissions are a strong alternative. In this context, methanol and natural gas are added to the engine to reduce emissions. In this study, engine performance and emissions were examined using three fuel mixtures. A two-cylinder gasoline engine was run using M20 fuel and natural gas was added at different rates from the eng

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26

Seroka-Stolka, Oksana. "Enhancing Environmental Sustainability: Stakeholder Pressure and Corporate CO2-Related Performance—An Examination of the Mediating and Moderating Effects of Corporate Decarbonization Strategies." Sustainability 15, no. 19 (2023): 14257. http://dx.doi.org/10.3390/su151914257.

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Climate change mitigation and the imperative to reduce carbon dioxide (CO2) remain significant challenges. The primary source of this problem and a crucial aspect of its resolution lie in carbon-intensive companies responsible for emitting substantial quantities of anthropogenic carbon dioxide. Many polluting companies, such as energy producers, have been forced to take actions to adopt effective strategies and achieve better performance to mitigate emissions. This is also a result of pressure from stakeholders that is exerted on companies to decrease their carbon dioxide pollution. Therefore,

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Shekasa L Nadaf, Fharuk Ahmed, and Gurushant B Vaggar. "Effect of engine load and higher blends of pongamia methyl ester on engine behavior." World Journal of Advanced Research and Reviews 12, no. 2 (2021): 646–57. http://dx.doi.org/10.30574/wjarr.2021.12.2.0773.

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The diesel demand in the country is growing at an annual rate of 8%. It’s also predicted that the supply of fossil fuels will not be able to meet this demand. The greenhouse gas (GHG) emissions of the transportation sector had increased 16.4% from 1990 to 2013. In biofuels, the country has a ray of hope in providing energy security and the use of higher biodiesel blends offer considerable GHG emission benefits over standard diesel. Therefore, the biodiesels become compelling in view of the tightening automotive vehicle emission standards to curb air pollution. The main objective of these exper

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Karaduman, Hasan Ağan, Arzu Karaman-Akgül, Mehmet Çağlar, and Halil Emre Akbaş. "The relationship between logistics performance and carbon emissions: an empirical investigation on Balkan countries." International Journal of Climate Change Strategies and Management 12, no. 4 (2020): 449–61. http://dx.doi.org/10.1108/ijccsm-05-2020-0041.

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Purpose The purpose of this paper is to analyze the impact of logistics performance on the carbon (CO2) emissions of Balkan countries. Design/methodology/approach Fixed-effects panel regression analysis is used to estimate the causal relationship between CO2 emissions and logistic performances of Balkan countries. Logistics performance is measured by logistics performance index (LPI) which was published by the World Bank in 2007, 2010, 2012, 2014 and 2016 and used for ranking countries by means of their logistics performance. LPI is based on six main indicators: customs procedures, logistics c

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Chen, Anqi, and Shibing You. "The Fuel Cycle Carbon Reduction Effects of New Energy Vehicles: Empirical Evidence Based on Regional Data in China." Sustainability 14, no. 23 (2022): 16003. http://dx.doi.org/10.3390/su142316003.

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With ever-growing energy demands and increasing greenhouse gas (GHG) emissions, carbon emission reduction has attracted worldwide attention. This article establishes a bottom-up method using regional data from 2010 to 2020 to quantify the carbon reduction effects of new energy vehicles (NEVs) in the fuel cycle. From this, a generalized Bass model with outstanding performance was created (with a goodness-of-fit of 99.7%) to forecast CO2 emission reduction potential in 2030 and 2050. The results are as follows: (1) there are regional differences in the fuel cycle carbon reduction effects of NEVs

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Arneth, A., Ü. Niinemets, S. Pressley, et al. "Process-based estimates of terrestrial ecosystem isoprene emissions: incorporating the effects of a direct CO<sub>2</sub>-isoprene interaction." Atmospheric Chemistry and Physics 7, no. 1 (2007): 31–53. http://dx.doi.org/10.5194/acp-7-31-2007.

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Abstract. In recent years evidence has emerged that the amount of isoprene emitted from a leaf is affected by the CO2 growth environment. Many – though not all – laboratory experiments indicate that emissions increase significantly at below-ambient CO2 concentrations and decrease when concentrations are raised to above-ambient. A small number of process-based leaf isoprene emission models can reproduce this CO2 stimulation and inhibition. These models are briefly reviewed, and their performance in standard conditions compared with each other and to an empirical algorithm. One of the models was

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Pireh, Meysam Eshaghi, Mohammad Gholami Parashkoohi, and Davood Mohammad Zamani. "Evaluation of combustion characteristics performances and emissions of a diesel engine using diesel and biodiesel fuel blends containing graphene oxide nanoparticles." Open Agriculture 7, no. 1 (2022): 935–47. http://dx.doi.org/10.1515/opag-2022-0126.

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Abstract In this study, the performance and emissions of a compression combustion diesel engine were investigated. The net diesel and the blends of diesel with waste cooking oil (WCO) biodiesel (5 and 20%) were considered as control fuel and were blended with graphene oxide nanoparticles (GONPs) (30, 60, and 90 ppm) and were evaluated. The engine was operated at full load at 1,500 rpm and the brake power (BP), brake thermal efficiency (BTE), and brake specific fuel consumption (BSFC) besides CO, CO2, and NO x emissions appraised in the two sections of engine performance and emission, respectiv

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Verdi, Leonardo, Anna Dalla Marta, Simone Orlandini, Anita Maienza, Silvia Baronti, and Francesco Primo Vaccari. "Evaluation of Biochar Addition to Digestate, Slurry, and Manure for Mitigating Carbon Emissions." Agriculture 14, no. 1 (2024): 162. http://dx.doi.org/10.3390/agriculture14010162.

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The contribution of animal waste storage on GHG emissions and climate change is a serious issue for agriculture. The carbon emissions that are generated from barns represent a relevant source of emissions that negatively affect the environmental performance measures of livestock production. In this experiment, CO2 and CH4 emissions from different animal wastes, namely, digestate, slurry, and manure, were evaluated both in their original form and with a biochar addition. The emissions were monitored using the static camber methodology and a portable gas analyzer for a 21-day period. The additio

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Rabe, Marcin, Agnieszka Jakubowska, Veselin Draskovic, et al. "Comparative Analysis on the Performance and Exhaust Gas Emission of Cars with Spark-Ignition Engines." Energies 15, no. 17 (2022): 6361. http://dx.doi.org/10.3390/en15176361.

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Conventional fuels commonly used in cars with combustion engines and the effects of their combustion have a very negative impact on the state of the environment. The combustion of liquid fuels causes the introduction of many thousands of tons of CO2 and other harmful substances into the atmosphere every year. That is why the authorities of many countries are introducing more and more stringent emission standards for cars with internal combustion engines, and car manufacturers are trying to meet these standards. Therefore, the aim of the undertaken research was to compile and analyze the power

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Chen, Jiabin, and Shaobo Wen. "Implications of Energy Intensity Ratio for Carbon Dioxide Emissions in China." Sustainability 12, no. 17 (2020): 6925. http://dx.doi.org/10.3390/su12176925.

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Industrial carbon dioxide (CO2) emissions are mainly derived from fossil energy use, which is composed of procedures involving extraction of energy from the natural system as well as its exchange and consumption in the social system. However, recent research on low-carbon transitions considers the cost of energy commodities from a separate perspective—a biophysical or monetary perspective. We introduce the energy intensity ratio (EIR), which is a novelty perspective combining biophysical and monetary metrics to estimate the cost of energy commodities in the low-carbon energy transitions. This

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Luo, Xichun, Chaoming Cai, and Honghao Zhao. "Study on the Evolutionary Characteristics of Spatial and Temporal Patterns and Decoupling Effect of Urban Carbon Emissions in the Yangtze River Delta Region Based on Neural Network Optimized by Aquila Optimizer with Nighttime Light Data." Land 14, no. 1 (2024): 51. https://doi.org/10.3390/land14010051.

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China produces the largest amount of CO2 emissions since 2007 and is the second largest economy in the world since 2010, and the Yangtze River Delta (YRD) area plays a crucial role in promoting low-carbon development in China. Analyzing its evolutionary characteristics of spatial and temporal patterns and its decoupling effect is of great importance for the purpose of low-carbon development. However, this analysis relies on the estimation of CO2 emissions. Recently, neural network-based models are widely used for CO2 emission estimation. To improve the performance of neural network models, the

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Ayvaz, Berk, Ali Osman Kusakci, and Gül T. Temur. "Energy-related CO2 emission forecast for Turkey and Europe and Eurasia." Grey Systems: Theory and Application 7, no. 3 (2017): 436–52. http://dx.doi.org/10.1108/gs-08-2017-0031.

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Purpose The global warming, caused by the anthropogenic greenhouse gases, has been one of the major worldwide issues over the last decades. Among them, carbon dioxide (CO2) is the most important one and is responsible for more than the two-third of the greenhouse effect. Currently, greenhouse gas emissions and CO2 emissions – the root cause of the global warming – in particular are being examined closely in the fields of science and they also have been put on the agenda of the political leaders. The purpose of this paper is to predict the energy-related CO2 emissions through using different di

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Candan, Feyyaz, Murat Ciniviz, and Ilker Ors. "Effect of cetane improver addition into diesel fuel: Methanol mixtures on performance and emissions at different injection pressures." Thermal Science 21, no. 1 Part B (2017): 555–66. http://dx.doi.org/10.2298/tsci160430265c.

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In this study, methanol in ratios of 5-10-15% were incorporated into diesel fuel with the aim of reducing harmful exhaust gasses of Diesel engine, di-tertbutyl peroxide as cetane improver in a ratio of 1% was added into mixture fuels in order to reduce negative effects of methanol on engine performance parameters, and isobutanol of a ratio of 1% was used as additive for preventing phase separation of all mixtures. As results of experiments conducted on a single cylinder and direct injection Diesel engine, methanol caused the increase of NOx emission while reducing CO, HC, CO2, and smoke opacit

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Kshatriya, Anmol Singh, Prabhatkumar Tiwari, Sreekanth M, et al. "Investigations into the Combined Effect of Mahua Biodiesel Blends and Biogas in a Dual Fuel Engine." Energies 15, no. 6 (2022): 2057. http://dx.doi.org/10.3390/en15062057.

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Rapid depletion of conventional fuel sources has led to the use of alternative fuels and implementation of variant engine technologies to reduce deleterious emissions being released and deliver thermal energy for numerous applications. This research aims to study the usage of mahua methyl ester in a single-cylinder 4-stroke CI engine, optimized to operate in the dual fuel mode. Performance, combustion and emission characteristics are recorded and compared with diesel with the sole aim of finding the blend that provides adequate performance and diminishing emissions. To this effect, the percent

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Shiran, Hamidreza, Gholamreza Nabi Bidhendi, and Nasser Mehrdadi. "Modeling Greenhouse Gas Emissions in a Full-Scale Activated Sludge Unit Based on Benchmark Simulation Model – A Case Study of Isfahan Wastewater Treatment Plant." Journal of Advances in Environmental Health Research 13, no. 2 (2025): 96–103. https://doi.org/10.34172/jaehr.1386.

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Background: The objective of this study was to establish a facility-level modeling tool to assess the performance of internal operational strategies and external emissions. Methods: The biological process model in Benchmark Simulation Model No. 2 (BSM2) was upgraded to include two-stage and four-stage nitrification, as well as denitrification processes, to effectively simulate nitrous oxide (N2 O) production. Emissions of carbon dioxide (CO2 ), methane (CH4 ), and N2 O were also incorporated, taking into account digestion, cogeneration, and sludge storage processes. The refined model was utili

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Zhou, You, Wei Hong, Ye Yang, Xiaoping Li, Fangxi Xie, and Yan Su. "Experimental Investigation of Diluents Components on Performance and Emissions of a High Compression Ratio Methanol SI Engine." Energies 12, no. 17 (2019): 3366. http://dx.doi.org/10.3390/en12173366.

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Increasing compression ratio and using lean burn are two effective techniques for improving engine performance. Methanol has a wide range of sources and is a kind of suitable fuel for a high-compression ratio spark-ignition lean burn engine. Lean burn mainly has a dilution effect, thermal effect and chemical effect. To clarify the influences of different effects and provide guidance for improving composition of dilution gases and applications of this technology, this paper chose Ar, N2 and CO2 as diluents. A spark-ignition methanol engine modified from a diesel engine with a compression ratio

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Abdul Halim, Hairul Nazirah, Mohd Shariff Azmi, and Mohammad Azmi Bustam. "Effect of Liquid Flow Rate and Amine Concentration on CO₂ Removal from Natural Gas at High Pressure Operation in Packed Absorption Column." Applied Mechanics and Materials 773-774 (July 2015): 1291–95. http://dx.doi.org/10.4028/www.scientific.net/amm.773-774.1291.

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Greenhouse gas (GHG) emissions such as carbon dioxide (CO2) and methane (CH4) from oil and natural gas operation at offshore platforms have significant contribution to global warming. The reduction of these GHG emissions is possible through CO2 capture technology. This study reports the absorption performance of monoethanolamine (MEA) for the removal of CO2 from natural gas (NG) at high pressure conditions. The absorption experiments were performed in an absorption column packed with Sulzer Metal Gauze Packing at 5.0 MPa operating pressure. The absorption performance was evaluated in terms of

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Khujamberdiev, Ramozon, and Haeng Muk Cho. "Exploring the Environmental and Performance Implications of Utilizing Waste Swine Oil Biodiesel in CI Engines." Energies 17, no. 3 (2024): 551. http://dx.doi.org/10.3390/en17030551.

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This study investigates the effects of varying waste swine oil biodiesel blends on the emission characteristics and efficiency of a compression ignition (CI) engine. Through a series of controlled experiments, the engine was operated under a constant load of 25% across different speeds ranging from 1200 to 1800 rpm. This study meticulously recorded the emissions of carbon monoxide (CO), hydrocarbons (HC), carbon dioxide (CO2), nitrogen oxides (NOx), and particulate matter (PM), along with performance metrics, including Brake Specific Fuel Consumption (BSFC) and Brake Thermal Efficiency (BTE).

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Permanaputri, Salvira, and Cucuk Evi Lusiani. "ENHANCING ZEOLITE PERFORMANCE THROUGH AMINO MODIFICATION: A REVIEW OF METHODS AND CHARACTERIZATION." DISTILAT: Jurnal Teknologi Separasi 11, no. 1 (2025): 141–50. https://doi.org/10.33795/distilat.v11i1.6629.

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The increase in CO2 emissions in Indonesia is primarily attributed to the expansion of the economy and ongoing industrialization, primarily driven by the operation of fossil fuel power plants. It is imperative to implement strategies aimed at reducing CO2 emissions in the industrial sector in order to effectively address Indonesia's pollution problems. An effective method involves utilizing adsorbents, specifically zeolites, to capture and convert CO2 into valuable fuels. In order to improve the adsorption of CO2, the zeolite is chemically modified by adding amine groups. The objective of this

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Veettil, Anoop Valiya, Atikur Rahman, Ripendra Awal, et al. "Threshold Soil Moisture Levels Influence Soil CO2 Emissions: A Machine Learning Approach to Predict Short-Term Soil CO2 Emissions from Climate-Smart Fields." Sustainability 17, no. 13 (2025): 6101. https://doi.org/10.3390/su17136101.

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Machine learning (ML) models are widely used to analyze the spatiotemporal impacts of agricultural practices on environmental sustainability, including the contribution to global greenhouse gas (GHG) emissions. Management practices, such as organic amendment applications, are critical pillars of Climate-smart agriculture (CSA) strategies that mitigate GHG emissions while maintaining adequate crop yields. This study investigated the critical threshold of soil moisture level associated with soil CO2 emissions from organically amended plots using the classification and regression tree (CART) algo

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Akbar, Ahsan, Azeem Gul, Mariam Sohail, et al. "Impact of Renewable and Non-Renewable Energy Resources on CO2 Emission: Empirical Evidence from SAARC." International Journal of Energy Economics and Policy 14, no. 1 (2024): 141–49. http://dx.doi.org/10.32479/ijeep.15049.

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When assessing sustainability performance, researchers often ignore the implications of combining energy, economic, and environmental factors. To address this void, we assess the consequence of energy dis-aggregation proceeding carbon emissions in SAARC nations. The majority of energy resources are renewable and non-renewable, which contributes to a rise in carbon dioxide emissions. This study aims to provide a thorough understanding of the energy utilization dioxide emissions nexus. The panel data sets covering the period 1971-2020 for the SAARC nations have been used for analysis. The data s

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Hanak, Dawid P. "Transforming carbon-intensive coal-fired power plants into negative emission technologies via biomass-fired calcium looping retrofit." Clean Energy 8, no. 6 (2024): 263–82. http://dx.doi.org/10.1093/ce/zkae089.

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Abstract Calcium looping is a promising CO2 capture technology due to reduced energy and economic penalties compared to mature solvent scrubbing technologies. It also can enable negative CO2 emissions when biomass is used to drive the sorbent regeneration process in the calciner. However, the trade-off between the energy, economic and environmental performance under different biomass co-firing fractions in the calciner and process operating scenarios has not yet been well understood. This study examined the potential for transforming a 580 MWel coal-fired power plant into a negative CO2 emitte

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Fajari, Fendi Agong, and Abdul Ghofur. "PENGARUH VALVE CLEARANCE TERHADAP PERFORMANCE DAN EMISI GAS BUANG PADA MESIN YAMAHA JUPITER Z1." JTAM ROTARY 1, no. 2 (2019): 193. http://dx.doi.org/10.20527/jtam_rotary.v1i2.1749.

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Vehicle is the most needed tool as a transportation medium. This is due to the human need for vehicles is very important for the community. This study aims to determine the effect of valve clearance on performance and exhaust emissions on yamaha jupiter Z1 engine. In this study the researchers used variations of valve clearance intake and exhaust 0.06 mm up to 0.15 mm with dynotest experimental methods for performance testing and using experimental methods with gas analyzer parameters for exhaust gas emissions testing. From the results of performance tests that have been done got the best powe

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Sztekler, Karol, Agata Mlonka-Mędrala, Piotr Boruta, Tomasz Bujok, Ewelina Radomska, and Łukasz Mika. "Performance Assessment of CCGT Integrated with PTSA-Based CO2 Capture: Effect of Sorbent Type and Operating Conditions." Energies 18, no. 13 (2025): 3289. https://doi.org/10.3390/en18133289.

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Recognizing the growing importance of natural gas as a transition fuel in Poland’s energy mix and the necessity of reducing CO2 emissions, this article aims to assess the use of carbon capture and storage (CCS) technology to effectively reduce CO2 emissions from combined cycle gas turbine (CCGT). The research employs the pressure–temperature swing adsorption (PTSA) to capture CO2 from flue gases. Computer simulations, using IPSEpro (SimTech), are used to calculate the heat and mass balances for CCGT and PTSA units and assess their performance. In the first part of the research, the effect of s

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Felayati, Frengki Mohamad, Hadi Prasutiyon, Sholikhatul Janah, Dimas Hadi Wijaya, Mukhammat Bayu Saputra, and Semin Semin. "Performance and carbon emissions of a diesel/oxy-hydrogen dual-fuel engine with oxy-hydrogen injection variation under low and medium load conditions." International Journal of Renewable Energy Development 13, no. 2 (2024): 235–44. http://dx.doi.org/10.61435/ijred.2024.57983.

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Reducing carbon emissions such as carbon dioxide (CO2) and carbon monoxide (CO) from diesel engines struggled with engine performance challenges and fossil fuel limitations. Besides, huge transportation such as ships hardly replaced diesel engines due to the higher thermal efficiency and low operation cost. Oxy-hydrogen gas, as a carbon-free gas, could potentially improve diesel engine performance and carbon emissions. Most of the studies tried to identify the effect of oxy-hydrogen induction into diesel engine combustion on performance and emissions. However, this study evaluated oxy-hydrogen

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Sun, Jin, Yunxia Bai, Xilan Feng, Dapeng Liu, and Yu Zhang. "Zn2GeO4@CeO2 Core@Shell Nanorods for Efficient Photocatalytic CO2 Reduction." Molecules 30, no. 10 (2025): 2205. https://doi.org/10.3390/molecules30102205.

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The enduring problem of CO2 emissions and their consequent influence on the earth’s atmosphere has captured the attention of researchers. Photocatalytic CO2 reduction holds great significance; however, it is constrained by the effect of carrier recombination. Simultaneously, the structural modification of heterojunction catalysts has emerged as a promising approach to boost the photocatalytic performance. Herein, Zn2GeO4@CeO2 core@shell nanorods were prepared by a simple self-assembly method for photocatalytic CO2 reduction. The thickness of the CeO2 shell can be regulated rapidly and convenie

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