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Journal articles on the topic 'Fleet reduction scheme'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Park, Sunme, Soyeong Park, Myungsun Kim, and Euiseok Hwang. "Clustering-Based Self-Imputation of Unlabeled Fault Data in a Fleet of Photovoltaic Generation Systems." Energies 13, no. 3 (2020): 737. http://dx.doi.org/10.3390/en13030737.

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This work proposes a fault detection and imputation scheme for a fleet of small-scale photovoltaic (PV) systems, where the captured data includes unlabeled faults. On-site meteorological information, such as solar irradiance, is helpful for monitoring PV systems. However, collecting this type of weather data at every station is not feasible for a fleet owing to the limitation of installation costs. In this study, to monitor a PV fleet efficiently, neighboring PV generation profiles were utilized for fault detection and imputation, as well as solar irradiance. For fault detection from unlabeled

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ENGELHARD, GEORG H., CHRISTOPHER P. LYNAM, BERNARDO GARCÍA-CARRERAS, PAUL J. DOLDER, and STEVEN MACKINSON. "Effort reduction and the large fish indicator: spatial trends reveal positive impacts of recent European fleet reduction schemes." Environmental Conservation 42, no. 3 (2015): 227–36. http://dx.doi.org/10.1017/s0376892915000077.

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SUMMARYThe large fish indicator (LFI), or ‘proportion of fish greater than 40 cm length in bottom trawl surveys,’ is a frequently debated indicator of Good Environmental Status in European regional seas. How does the LFI respond to changes in fishing pressure? This question is addressed here through analysis of fine-scale spatial trends in the LFI within the North Sea, compared between two periods of contrasting fisheries management: 1983–1999 and 2000–2012, respectively, before and after the onset of the European Union's fleet reduction scheme. Over the entire period, the LFI has decreased in

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Engelhard, G. H., C. P. Lynam, B. Garcia-Carreras, and P. J. Dolder. "Effort reduction and the large fish indicator: spatial trends reveal positive impacts of recent European fleet reduction schemes." Environmental Conservation 42, no. 3 (2014): 227–36. https://doi.org/10.1017/S0376892915000077.

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<strong>Summary</strong> The large fish indicator (LFI), or ‘proportion of fish greater than 40 cm length in bottom trawl surveys,’ is a frequently debated indicator of Good Environmental Status in European regional seas. How does the LFI respond to changes in fishing pressure? This question is addressed here through analysis of fine-scale spatial trends in the LFI within the North Sea, compared between two periods of contrasting fisheries management: 1983–1999 and 2000–2012, respectively, before and after the onset of the Eu

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Wang, Yu, Kaibo Yuan, Mengyuan Zhu, and Shuijin Li. "A Time-and-Space-Network-Based Green Fleet Planning Model and Its Application for a Hub-and-Spoke Network." Sustainability 15, no. 7 (2023): 5832. http://dx.doi.org/10.3390/su15075832.

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Most previous studies on airline fleet planning have focused solely on economic considerations, neglecting the impact of carbon reduction. This paper presents a novel method for green fleet planning, using a bi-level programming model to balance conflicts among stakeholders while considering uncertain parameters such as demand and operating costs. The upper model aims to reduce carbon emissions by taking into account government constraints, such as carbon allowances and carbon prices, as well as airline satisfaction. The lower model seeks to maximize airline revenue using a space-and-time netw

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Hao, Han, Feiqi Liu, Xin Sun, Zongwei Liu, and Fuquan Zhao. "Quantifying the Energy, Environmental, Economic, Resource Co-Benefits and Risks of GHG Emissions Abatement: The Case of Passenger Vehicles in China." Sustainability 11, no. 5 (2019): 1344. http://dx.doi.org/10.3390/su11051344.

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This study quantifies the energy, environmental, economic, and resource co-benefits and risks of greenhouse gas (GHG) emissions abatement for China’s passenger vehicle fleet. A bottom-up model is established, which can address energy, environmental, economic and resource impacts from the passenger vehicle fleet within one unified framework. The results indicate that for passenger vehicles, the target of GHG emissions abatement generally synergizes with the targets of petroleum security enhancement, urban air quality improvement, and transport cost reduction but conflicts with the targets of ra

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Merayo, Eugenia, Staffan Waldo, and Max Nielsen. "Impact of a simultaneous reduction in fishing subsidies and introduction of efficient management of rents: the case of the Northwest Spanish fleet." Aquatic Living Resources 31 (November 23, 2017): 1. http://dx.doi.org/10.1051/alr/2017041.

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Subsidies to the fishing sector have long been criticized for fueling over-fishing, and a reduction in subsidies is currently on the agenda in the negotiations within the World Trade Organization (WTO). This article analyzes the role of subsidies and other management measures for Spain, one of the largest fishing nations within the EU. A static bio-economic model is used to analyze the effect of simultaneous elimination of subsidies and introduction of an economically efficient management system for the Northwest Spanish fleet. It is concluded that improvements in management would bring substa

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Zhao, Yuzhe, Yiji Ma, Zhongxiu Peng, and Jingmiao Zhou. "A risk-based decision-making scheme for short-sea liner fleet renewal to achieve carbon reduction targets." Research in Transportation Business & Management 54 (June 2024): 101112. http://dx.doi.org/10.1016/j.rtbm.2024.101112.

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Chao, Hsun, Datu Buyung Agusdinata, Daniel DeLaurentis, and Ellen B. Stechel. "Carbon offsetting and reduction scheme with sustainable aviation fuel options: Fleet-level carbon emissions impacts for U.S. airlines." Transportation Research Part D: Transport and Environment 75 (October 2019): 42–56. http://dx.doi.org/10.1016/j.trd.2019.08.015.

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Khakbaz, Hossein, and Jyotirmoyee Bhattacharjya. "Maritime Empty Container Repositioning." International Journal of Strategic Decision Sciences 5, no. 1 (2014): 1–23. http://dx.doi.org/10.4018/ijsds.2014010101.

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Maritime shipping containers are important to a number of different industries as they facilitate the reduction of transportation costs. To address the needs of shippers, empty containers need to be repositioned globally between seaports. Since the cost of empty container repositioning (ECR) constitutes a significant element of the total cost of running a global container fleet operation, the problem has been receiving increasing attention from scholars. The diversity of this literature necessitates the development an appropriate classification scheme to identify trends, gaps, and directions f

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Mądziel, Maksymilian, Tiziana Campisi, Artur Jaworski, Hubert Kuszewski, and Paweł Woś. "Assessing Vehicle Emissions from a Multi-Lane to Turbo Roundabout Conversion Using a Microsimulation Tool." Energies 14, no. 15 (2021): 4399. http://dx.doi.org/10.3390/en14154399.

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The development of urban strategies for the reduction of environmental impacts and decarbonization requires ongoing monitoring from the local scale and further deployment of actions to improve transport demand (user characteristics and modal choice) and supply (infrastructure and services). The analysis of pollution sources and the evaluation of possible scenarios are preliminary to the mitigation of impacts. In particular, the study of geometrical and functional characteristics of infrastructures through micro-simulation allows understanding of which schemes can support the reduction of emiss

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Sidea, Dorian O., Andrei M. Tudose, Irina I. Picioroaga, and Constantin Bulac. "Two-Stage Optimal Active-Reactive Power Coordination for Microgrids with High Renewable Sources Penetration and Electrical Vehicles Based on Improved Sine−Cosine Algorithm." Mathematics 11, no. 1 (2022): 45. http://dx.doi.org/10.3390/math11010045.

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As current global trends aim at the large-scale insertion of electric vehicles as a replacement for conventional vehicles, new challenges occur in terms of the stable operation of electric distribution networks. Microgrids have become reliable solutions for integrating renewable energy sources, such as solar and wind, and are considered a suitable alternative for accommodating the growing fleet of electrical vehicles. However, efficient management of all equipment within a microgrid requires complex solving algorithms. In this article, a novel two-stage scheme is proposed for the optimal coord

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Holmes, S. J., N. Bailey, N. Campbell, et al. "Using fishery-dependent data to inform the development and operation of a co-management initiative to reduce cod mortality and cut discards." ICES Journal of Marine Science 68, no. 8 (2011): 1679–88. http://dx.doi.org/10.1093/icesjms/fsr101.

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Abstract Holmes, S. J., Bailey, N., Campbell, N., Catarino, R., Barratt, K., and Gibb, A., and Fernandes, P. G. 2011. Using fishery-dependent data to inform the development and operation of a co-management initiative to reduce cod mortality and cut discards. – ICES Journal of Marine Science, 68: 1679–1688. The Scottish conservation credits scheme is a voluntary programme introduced in 2008, designed to reduce mortality and discarding of cod in line with EU Common Fisheries Policy management objectives. The scheme was expanded in 2009, building on the initial elements of real-time closures (RTC

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HORODETSKA, TETIANA, and ALLA IVASHCHENKO. "Innovative marketing in the strategic management of an industrial enterprise." Economics. Finances. Law, no. 4 (April 17, 2020): 6–12. http://dx.doi.org/10.37634/efp.2020.4.1.

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The article proposes a methodical approach that determines the economic efficiency of the optimization procedure. It is expressed through transport gain - a potential reduction in the route of transportation of products compared to the initial transport scheme. The main task of logistics solutions in the freight forwarding system is to ensure the efficiency and flexibility of the vehicle management system. At the same time, the interaction of management bodies from the beginning of creation of the goods to the moment of unloading to its customer must be established. In order to achieve the goa

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Hernandez-Lasheras, Jaime, and Baptiste Mourre. "Dense CTD survey versus glider fleet sampling: comparing data assimilation performance in a regional ocean model west of Sardinia." Ocean Science 14, no. 5 (2018): 1069–84. http://dx.doi.org/10.5194/os-14-1069-2018.

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Abstract. The REP14-MED sea trial carried out off the west coast of Sardinia in June 2014 provided a rich set of observations from both ship-based conductivity–temperature–depth (CTD) probes and a fleet of underwater gliders. We present the results of several simulations assimilating data either from CTDs or from different subsets of glider data, including up to eight vehicles, in addition to satellite sea level anomalies, surface temperature and Argo profiles. The Western Mediterranean OPerational forcasting system (WMOP) regional ocean model is used with a local multi-model ensemble optimal

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Fochesato, Marta, Philipp Heer, and John Lygeros. "Multi-objective optimization of a power-to-hydrogen system for mobility via two-stage stochastic programming." Journal of Physics: Conference Series 2042, no. 1 (2021): 012034. http://dx.doi.org/10.1088/1742-6596/2042/1/012034.

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Abstract A systematic way for the optimal design of renewable-based hydrogen refuelling stations in the presence of uncertainty in the hydrogen demand is presented. A two-stage stochastic programming approach is used to simultaneously minimize the total annual cost and the CO2 footprint due to the electricity generation sources. The first-stage (design) variables correspond to the sizing of the devices, while the second-stage (operation) variables correspond to the scheduling of the installed system that is affected by uncertainties. The demand of a fleet of fuel cell vehicles is synthesized b

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Lvovich, Yakov Ye, Andrey P. Preobrazhenskiy, and Tatiana V. Avetisyan. "OPTIMIZATION AND STATE FORECASTING IN TRANSPORTATION SYSTEMS." International Journal of Advanced Studies 12, no. 3 (2022): 109–24. http://dx.doi.org/10.12731/2227-930x-2022-12-3-109-124.

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Optimization of transport work is necessary in case of uncontrollable growth of the described costs. The process of optimizing transport costs at the enterprise begins with an analysis of the current logistics strategy and collection of recommendations for its correction. The following aspects of the transport system of the company are subject to analysis: the method of movement of goods; the choice of vehicle type and its specific model; the selection of the carrier company and other logistics intermediaries; the layout of the company’s storage terminals. An optimized transport system can red

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Dreiband, Dmitry V., and Dmitry A. Korshunov. "The balance method as an effective tool for strategic planning of river transport activities." Russian Journal of Water Transport, no. 77 (December 18, 2023): 119–29. http://dx.doi.org/10.37890/jwt.vi77.423.

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The work is devoted to the study of the features of the application of the balance method as a tool for planning the activities of transport systems. The introduction substantiates the scientific novelty, the purpose and objectives of the study. The methods section shows the theoretical aspects of the application of the balance method, the results of the analysis of modern scientific research on its application in the planning of the activities of transport enterprises are given. As the results of the study, based on the analysis carried out, the authors determined the directions of using the

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Waldron, Julie, Lucelia Rodrigues, Mark Gillott, Sophie Naylor, and Rob Shipman. "The Role of Electric Vehicle Charging Technologies in the Decarbonisation of the Energy Grid." Energies 15, no. 7 (2022): 2447. http://dx.doi.org/10.3390/en15072447.

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Vehicle-to-grid (V2G) has been identified as a key technology to help reduce carbon emissions from the transport and energy sectors. However, the benefits of this technology are best achieved when multiple variables are considered in the process of charging and discharging an electric vehicle. These variables include vehicle behaviour, building energy demand, renewable energy generation, and grid carbon intensity. It is expected that the transition to electric mobility will add pressure to the energy grid. Using the batteries of electric vehicles as energy storage to send energy back to the gr

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Vasiutina, Hanna, Vitalii Naumov, Andrzej Szarata, and Stanisław Rybicki. "Influence of Transport Demand Parameters on Environmental Pollution for Deliveries by Cargo Bikes in City Areas with Traffic Restrictions." Energies 16, no. 19 (2023): 6844. http://dx.doi.org/10.3390/en16196844.

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In light of global environmental degradation, which is largely affected by the transport sector, increasing attention is paid to enhancing the quality of life in urban areas. Policymakers are taking steps to reduce transport-related pollution and accelerate the shift to sustainable city development. They introduce stricter requirements for fuel quality and transport emissions, impose fines for traffic congestion, increase parking fees, establish low-pollution zones, etc. The implementation of measures that may not be perceived positively requires careful planning and analysis. This involves us

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Johansyah, Oky Nur Pratiwi, Eko Cahyo Purnomo, and Muh Darwis. "Management of Drought Emergency Response Through the “Air Disuntik Resahpun Terobati” Program at the Perusahaan Air Minum Tirta Mangkaluku Kota Palopo." PINISI Discretion Review 8, no. 1 (2024): 149. https://doi.org/10.26858/pdr.v8i1.68247.

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The purpose of this research is to find out 1) How is the Management of Drought Emergency Response Management through the Air disuntik Resahpun Terobati Program at Perusahaan Air Minum Tirta Mangkuluku of Palopo City; 2) Supporting and inhibiting factors in carrying out drought emergency response through the Air disuntik Resahpun Terobati Program at Perusahaan Air Minum Tirta Mangkuluku in Palopo City. This type of research is qualitative descriptive. Data collection by means of observation, interviews, and documentation. Data analysis techniques consist of data reduction, data presentation, a

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Serguntsov, Alexander, and Nikolai Malashikhin. "Harrowing of sowings with synchronous additional fertilizing." MATEC Web of Conferences 224 (2018): 05016. http://dx.doi.org/10.1051/matecconf/201822405016.

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There were offered the combination of technological operations for harrowing sowings of different crops at the same time with additional soil mineral fertilizing. On the example of field experience in 2017 in the educational farm “Kuban” of the Kuban State Agrarian University there was tested the effectiveness of various serial production machines for harrowing winter wheat variety Bagrat. In the control plot, harrowing of wheat after wintering was not carried out. The combination of technological operations in one pass of the machine-tractor unit on the field provides a reduction in the fleet

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Qiu, Minghao, and Jens Borken-Kleefeld. "Using snapshot measurements to identify high-emitting vehicles." Environmental Research Letters 17, no. 4 (2022): 044045. http://dx.doi.org/10.1088/1748-9326/ac5c9e.

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Abstract Policy makers have long been interested in detecting ‘high-emitters’, a supposedly smallfraction of vehicles that make disproportionally large contributions to total fleet emissions. However, existing identification schemes often exclusively rely on snapshot measurements (i.e. emissions within less than a second), and thus simply identify vehicles with high instantaneous emissions, instead of vehicles with high average emissions over a driving period as regulated by emission standards. We design a comprehensive scheme to address this challenge by combining fleetwide remote sensing mea

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Eigaard, Ole Ritzau. "A bottom-up approach to technological development and its management implications in a commercial fishery." ICES Journal of Marine Science 66, no. 5 (2009): 916–27. http://dx.doi.org/10.1093/icesjms/fsp084.

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Abstract Eigaard, O. R. 2009. A bottom-up approach to technological development and its management implications in a commercial fishery. – ICES Journal of Marine Science, 66: 916–927. Analyses of electronic equipment on board Danish trawlers and gillnetters show that newer, larger vessels have a significantly higher “technological level” than older, smaller vessels. A hypothesis of linkage between fish-finding and navigation technology on board and standard vessel characteristics was tested based on the definition of a technological index. Using a proportional odds model, vessel length account

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Tong, Dan, Jing Cheng, Yang Liu, et al. "Dynamic projection of anthropogenic emissions in China: methodology and 2015–2050 emission pathways under a range of socio-economic, climate policy, and pollution control scenarios." Atmospheric Chemistry and Physics 20, no. 9 (2020): 5729–57. http://dx.doi.org/10.5194/acp-20-5729-2020.

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Abstract. Future trends in air pollution and greenhouse gas (GHG) emissions for China are of great concern to the community. A set of global scenarios regarding future socio-economic and climate developments, combining shared socio-economic pathways (SSPs) with climate forcing outcomes as described by the Representative Concentration Pathways (RCPs), was created by the Intergovernmental Panel on Climate Change (IPCC). Chinese researchers have also developed various emission scenarios by considering detailed local environmental and climate policies. However, a comprehensive scenario set connect

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D’Acierno, Luca, and Marilisa Botte. "Optimising Frequency-Based Railway Services with a Limited Fleet Endowment: An Energy-Efficient Perspective." Energies 13, no. 10 (2020): 2403. http://dx.doi.org/10.3390/en13102403.

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Energy-saving and energy-recovery strategies represent key factors to achieve operational cost reductions within rail systems’ management tasks. However, in altering service features, they also affect passenger satisfaction. This paper investigates the effect of implementing such measures in the case of rolling stock unavailability. Numerous operational scenarios were explored by analysing different planned headway and rolling stock configurations. The scenarios were simulated with and without the adoption of Energy-Saving Strategies (ESS), both in ordinary and in disruption conditions. Our re

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Hoang, Duc N. M., Duc M. Tran, Thanh-Sang Tran, and Hoang-Anh Pham. "An adaptive weighting mechanism for Reynolds rules-based flocking control scheme." PeerJ Computer Science 7 (February 16, 2021): e388. http://dx.doi.org/10.7717/peerj-cs.388.

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Cooperative navigation for fleets of robots conventionally adopts algorithms based on Reynolds's flocking rules, which usually use a weighted sum of vectors for calculating the velocity from behavioral velocity vectors with corresponding fixed weights. Although optimal values of the weighting coefficients giving good performance can be found through many experiments for each particular scenario, the overall performance could not be guaranteed due to unexpected conditions not covered in experiments. This paper proposes a novel control scheme for a swarm of Unmanned Aerial Vehicles (UAVs) that a

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Anagnostopoulou, Afroditi, Evangelia Papargyri, and Maria Boile. "Innovative Scheme for Efficient Freight Movement and Sustainable Emissions Management." Transport and Telecommunication Journal 20, no. 3 (2019): 242–50. http://dx.doi.org/10.2478/ttj-2019-0020.

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Abstract This paper presents and analyses an innovative integrated scheme that aims to rationalize and improve the efficiency of urban freight transport as well as to promote reduced GHG emissions and traffic flows. Emissions management has become critical concern for modern companies and public authorities seeking to reduce carbon emissions and energy consumption from private and commercial heavy vehicle fleets, in line with the political targets of COP21 to COP23. The proposed scheme aims to utilize the current technological advances for efficient transport and logistics operations that regi

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Sánchez, José Tomás, Jesús Antonio del Río, and Aarón Sánchez. "Economic feasibility analysis for an electric public transportation system: Two cases of study in medium sized cities in Mexico." PLOS ONE 17, no. 8 (2022): e0272363. http://dx.doi.org/10.1371/journal.pone.0272363.

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This work presents an economic analysis that illustrates the feasibility and the possible benefits related to the replacement of internal combustion vehicles (ICVs)by electric vehicles (EVs) public transportation in medium-sized cities. According to the current operating conditions, we calculate the cost of operating internal combustion vehicles and compare them with a selected EV with approximately the same passenger capacity. We calculate the CO2 emissions in both cases. Moreover, for the case of EV, we analyze two scenarios: 1) Use the grid to charge the EV and 2) a grid-connected photovolt

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Jiménez-Crisóstomo, Abel, Luis Rubio-Andrada, María Soledad Celemín-Pedroche, and María Escat-Cortés. "The Constrained Air Transport Energy Paradigm in 2021." Sustainability 13, no. 5 (2021): 2830. http://dx.doi.org/10.3390/su13052830.

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The increasing relevance of air transport as a contributor to climate change requires the development of emissions reduction technologies in a socio-economic and cultural context, where demand and air traffic have traditionally held sustained growth rates. However, the irruption of COVID-19 in 2020 has had an enormous negative impact on air travel demand and traffic volumes. Coincidentally, during 2020, new technology proposals for emissions reduction based on use of hydrogen and synthetic fuels have emerged from the aviation stake holders. By following a novel approach connecting the analysis

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Kortsari, Annie, Lambros Mitropoulos, Trine Heinemann, Henrik Mikkelsen, and Georgia Aifadopoulou. "Evaluating the Economic Performance of a Pure Electric and Diesel Vessel: The Case of E-ferry in Denmark." Transactions on Maritime Science 11, no. 1 (2022): 95–109. http://dx.doi.org/10.7225/toms.v11.n01.008.

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Europe is an extremely ferry-intensive area, with two main markets – the Northern Europe and the Baltic, and the Mediterranean; while EU ferries account for 35% of the world fleet. This research presents the E-ferry, the first pure electric ferry for medium range routes and likely the largest battery pack ever installed in an electric vessel, and evaluates its economic performance compared to an electric-diesel and a diesel vessel. Three E-ferry schemes are used in the evaluation: E-ferry prototype, E-ferry prototype excluding the development costs, and Series 3 E-ferry, for which we assume an

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Elser, Miriam, Pirmin Sigron, Betsy Sandoval Guzman, Naghmeh Niroomand, and Christian Bach. "Trends in Swiss Passenger Vehicles Based on Machine Learning Segmentation." Sustainability 17, no. 8 (2025): 3550. https://doi.org/10.3390/su17083550.

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Road transport represents a major contributor to air pollution, energy consumption, and carbon dioxide emissions in Switzerland. In response, stringent emission regulations, penalties for non-compliance, and incentives for electric vehicles have been introduced. This study investigates how these policies, along with shifting consumer preferences and vehicle design advancements, have influenced the composition of the Swiss new passenger car fleet. Using machine learning techniques, we segment passenger vehicles to analyze trends over time. Our findings reveal a decline in micro and small vehicl

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Borges, Lisa, Alain F. Zuur, Emer Rogan, and Rick Officer. "Optimum sampling levels in discard sampling programs." Canadian Journal of Fisheries and Aquatic Sciences 61, no. 10 (2004): 1918–28. http://dx.doi.org/10.1139/f04-138.

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This paper presents optimum sampling levels in discard sampling programs considering cost and precision objectives simultaneously and explores their dependence on both variables. The analysis is based on the Irish discard program: an onboard-observer voluntary sampling scheme aimed at estimating discard rates in trawl fisheries. Multistage analysis was performed to establish the precision levels achieved in the past, and a cost function was determined to estimate the financial cost of the program. Gear, fishing ground, targeted species, and International Council for the Exploration of the Sea

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Verbrugge, Boud, Abdul Mannan Rauf, Haaris Rasool, et al. "Real-Time Charging Scheduling and Optimization of Electric Buses in a Depot." Energies 15, no. 14 (2022): 5023. http://dx.doi.org/10.3390/en15145023.

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To improve the air quality in urban areas, diesel buses are getting replaced by battery electric buses (BEBs). This conversion introduces several challenges, such as the proper control of the charging process and a reduction in the operational costs, which can be addressed by introducing smart charging concepts for BEB fleets. Therefore, this paper proposes a real-time scheduling and optimization (RTSO) algorithm for the charging of multiple BEBs in a depot. The algorithm assigns a variable charging current to the different time slots the charging process of each BEB is divided to provide an o

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Shahbazi, Hossein, Vahid Hosseini, Sara Torbatian, and Masoud Hamedi. "Assessment of Emission Reduction Scenarios with a Focus on the Impact of Vehicle Fleets on Tehran Air Quality: Case Study." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 5 (2019): 197–207. http://dx.doi.org/10.1177/0361198119836770.

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In recent years, the city of Tehran has frequently experienced severe air pollution episodes, and the increase in the use of vehicles has exacerbated this critical situation. It is unclear to what extent each vehicle category contributes to the production of pollution during a pollution event. For this purpose, a combination of the weather research and forecasting (WRF) and the Comprehensive Air Quality Model with Extensions (CAMx) modeling systems was used to simulate the distributions of pollutant concentrations over Tehran in a pollution episode from December 3 to 23, 2017. First, the perfo

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Costantini, Giuliano, and Daniel Görges. "Fast distributed model predictive control combining ADMM, IPM and Riccati iteration." at - Automatisierungstechnik 69, no. 2 (2021): 97–110. http://dx.doi.org/10.1515/auto-2020-0106.

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Abstract In model predictive control, the control action is found at each sampling time by solving an online optimization problem. Computationally, this step is very demanding, especially if compared to the evaluation of traditional control laws. This has limited the application of model predictive control to systems with slow dynamics for many years. Recently, several methods have been proposed in the literature which promise a substantial reduction of the computation time by either running the computation in parallel (distributed model predictive control) or exploiting the problem structure

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Stumpf, A., C. Delacourt, and J. P. Malet. "TOWARDS TIME-SERIES PROCESSING OF VHR SATELLITE IMAGES FOR SURFACE DEFORMATION DETECTON AND MEASUREMENTS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-3/W3 (August 20, 2015): 595–99. http://dx.doi.org/10.5194/isprsarchives-xl-3-w3-595-2015.

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The increasing fleet of VHR optical satellites (e.g. Pléiades, Spot 6/7, WorldView-3) offers new opportunities for the monitoring of surface deformation resulting from gravitational (e.g. glaciers, landslides) or tectonic forces (coseismic slip). Image correlation techniques have been developed and successfully employed in many geoscientific studies to quantify horizontal surface deformation at sub-pixel precision. The analysis of time-series, however, has received less attention in this context and there is still a lack of techniques that fully exploit archived image time-series and the incre

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Garcia Franciscone, Bruno, and Elton Fernandes. "Entrepreneurship and Future Perspectives in BRICS- Operational Improvements and Sustainable Air Transport Development in the Global South." Journal of BRICS Studies 4, no. 1 (2025): 73–89. https://doi.org/10.36615/3nk6gv18.

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There is a clear inequality between air transport systems development in Global North countries from the Global South ones. It is possible to observe this inequality when analyzing each region's route network and the total number of flights. This article aims to analyze how the adherence to The Carbon Offset Scheme for International Aviation (CORSIA) which comprises a market-based measure to stabilize emissions from 2020 onwards by international civil aviation can restrict growth and impact air transport expansion in developing countries, focusing on the BRICS countries. Considering a bibliogr

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Afanaseva, Ol'ga Vladimirovna. "Evaluation method for factors affecting marine diesel engine vibration caused by cylinder-piston group operation." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2024, no. 1 (2024): 84–94. http://dx.doi.org/10.24143/2073-1574-2024-1-84-94.

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The efficiency of the use of the marine fleet is associated with a reduction in the cost of transportation, the need for which is steadily increasing. A significant share of the total transportation costs is occupied by the costs associated with the operation of ships, therefore, reducing these costs is a reserve for reducing the cost of maritime transportation. The problem of increasing the efficiency of the operation of marine vessels is closely related not only to reducing the cost of it, but also to reducing the time for maintenance and repair of ships. The existing system of scheduled pre

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Soroka, B. S. "CLIMATE AND ENVIRONMENTAL BACKGROUNDS OF FUEL UTILIZATION, INFLUENCING UPON ALTERATION THE EUROPEAN AND UKRAINIAN TRENDS OF GAS SUPPLY P.1 PRESENT REQUIREMENTS TO SELECTION THE GAS FUELS. THERMODYNAMIC EVALUATION THE PRINCIPAL CHARACTERISTICS OF GAS FUEL." Energy Technologies & Resource Saving 75, no. 2 (2023): 3–22. http://dx.doi.org/10.33070/etars.2.2023.01.

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The work examines the starting points on the formation of fuel markets in Europe within the framework of the concept of sustainable development of the countries’ economics, taking into account the main limitations, primarily the climatic and environmental consequences of fuels combustion. This approach has led in the past years to simultaneous increase in absolute volumes’ consumption of mineral (organic, carbon-rich) fuel’s flow rate and to reduction of their shares in the overall fuel balance. The relevant changes had occurred because of simultaneous production and consumption the alternativ

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Линник, Е. Ю., та А. Н. Суслов. "Оценка долгосрочной экономической эффективности круглогодичной транспортировки нефти по Северному морскому пути". MORSKIE INTELLEKTUAL`NYE TEHNOLOGII)</msg> 1, № 2(68) (2025): 25–33. https://doi.org/10.37220/mit.2025.68.2.002.

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В статье представлена модель оценки экономической эффективности транспортировки нефти в Азию по Северному морскому пути наливными судами арктических ледовых классов и конвенциональными судами по Южному морскому пути. Цель исследования — разработка подхода к оценке долгосрочной экономической эффективности круглогодичной транспортировки нефти по Северному морскому пути. Метод исследования — экономический анализ, в рамках которого проведен расчет удельных дисконтированных затрат на транспортировку и выполнена оценка объема вывоза нефти как косвенного эквивалента дохода нефтедобывающей компании. Н

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Karuppiah, Krishnaveni, Iniya Murugan, Murugesan Sepperumal, and Siva Ayyanar. "A dual responsive probe based on bromo substituted salicylhydrazone moiety for the colorimetric detection of Cd2+ ions and fluorometric detection of F‒ ions: Applications in live cell imaging." International Journal of Bioorganic and Medicinal Chemistry 1, no. 1 (2021): 1–9. http://dx.doi.org/10.55124/bmc.v1i1.20.

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A new fluorimetric and colorimetric dual-mode probe, 4-bromo-2-(hydrazonomethyl) phenol (BHP) has been synthesized and successfully utilized for the recognition of Cd2+/F‒ ions in DMSO/H2O (9:1, v/v) system. The probe displays dual channel of detection via fluorescence enhancement and colorimetric changes upon binding with F‒ and Cd2+ ions respectively. The Job’s plot analysis, ESI-MS studies, Density Functional Theoretical (DFT) calculations, 1H NMR and 19F NMR titration results were confirmed and highly supported the 1:1 binding stoichiometry of the probe was complexed with Cd2+/F‒ ions. Fur

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S. K., Akintola,, Omotola, A. A., and Adeeyo, I. T. "The Relationship between Cost Reduction Techniques and Profitability." Journal of Economics, Management and Trade, April 8, 2022, 1–11. http://dx.doi.org/10.9734/jemt/2022/v28i330396.

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The main difficulty encountered by organizations recently is the increase in the cost of operation that could lead to inevitable cost control and reduction scheme which makes it difficult for most organizations to operate at the cost-efficient frontier. The main objective of this study is to determine the relationship between Cost reduction technique antecedents and profitability of organizations in a selected manufacturing company, Oyo state, Nigeria. The study adopted a descriptive research design. The targeted population was employees in the selected manufacturing company. The unit of

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Dray, Lynnette, and Andreas W. Schäfer. "Initial Long-Term Scenarios for COVID-19’s Impact on Aviation and Implications for Climate Policy." Transportation Research Record: Journal of the Transportation Research Board, September 23, 2021, 036119812110450. http://dx.doi.org/10.1177/03611981211045067.

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The COVID-19 pandemic had a dramatic impact on aviation in 2020, and the industry’s future is uncertain. In this paper, we consider scenarios for recovery and ongoing demand, and discuss the implications of these scenarios for aviation emissions-related policy, including the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) and the EU Emissions Trading Scheme (ETS). Using the Aviation Integrated Model (AIM2015), a global aviation systems model, we project how long-term demand, fleet, and emissions projections might change. Depending on recovery scenario, we project cum

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Andriy, Lysyy, Kotenko Vitaliy, and Yakovtsev Stanislav. "The role of innovative methods in combating emissions of harmful substances into the atmosphere in shipping." November 30, 2018. https://doi.org/10.21303/2585-6847.2018.00759.

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The world merchant fleet covers about 90 % of all world trade. Over the past decades, there has been a growth trend and currently stands at 93,262 units, or 1.9 billion tons of deadweight. As the number of fleets grows, so does fuel consumption, which in turn increases emissions of harmful substances into the atmosphere. Currently, annual carbon dioxide emissions are about 800 million tons. According to experts, this figure may double by 2060. International organizations are taking steps to reduce emissions of harmful substances into the atmosphere. After analyzing the main methods of controll

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Xue, Lulu, and Ke Chen. "Feasibility of zero emission freight zones: scenario analysis and risk assessment." World Resources Institute, May 2024. http://dx.doi.org/10.46830/wrirpt.23.00076.

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To further incentivize the adoption of zero-emission trucks (ZETs), Chinese cities would need more proactive policies like zero-emission freight zones (ZEFZs). However, the design of the policy should avoid the disruption of goods supply, increase of logistic costs, and ensure inclusive transition of small carriers and financial sustainability for city governments. To this end, this study employs Beijing as a case: Based on ZEFZ case studies, policy document and literature review, and data analysis of freight demand distribution and truck movements in Beijing, this study constructs four scenar

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Gupta, Prateek, Adil Rasheed, and Sverre Steen. "Correlation-based outlier detection for ships’ in-service datasets." Journal of Big Data 11, no. 1 (2024). http://dx.doi.org/10.1186/s40537-024-00937-2.

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AbstractWith the advent of big data, it has become increasingly difficult to obtain high-quality data. Solutions are required to remove undesired outlier samples from massively large datasets. Ship operators rely on high-frequency in-service datasets recorded onboard the ships for monitoring the performance of their fleet. The large in-service datasets are known to be highly unbalanced, making it difficult to adopt ordinary outlier detection techniques, as they would also result in the removal of rare but quite valuable data samples. Thus, the current work proposes to establish a correlation-b

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Hlaing, Nandar, Pablo G. Morato, Francisco de Nolasco Santos, Wout Weijtjens, Christof Devriendt, and Philippe Rigo. "Farm-wide virtual load monitoring for offshore wind structures via Bayesian neural networks." Structural Health Monitoring, August 24, 2023. http://dx.doi.org/10.1177/14759217231186048.

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Offshore wind structures are exposed to a harsh marine environment and are subject to deterioration mechanisms throughout their operational lifetime. Even if the deterioration evolution of structural elements can be estimated through physics-based deterioration models, the uncertainties involved in the process hurdle the selection of lifecycle management decisions, e.g., lifetime extension. In this scenario, the collection of relevant information through an efficient monitoring system enables the reduction of uncertainties, ultimately driving more optimal lifecycle decisions. However, a full m

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Wang, Zuyan, Jun Tao, Yifan Xu, Yang Gao, and Dikai Zou. "Towards the Minimal Wait-for Delay for Rechargeable WSNs with Multiple Mobile Chargers." ACM Transactions on Sensor Networks, January 17, 2023. http://dx.doi.org/10.1145/3579093.

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Nowadays, the flourish of the internet of things incurs a great demand for progressive technologies to prolong the lifetime of Wireless Sensor Networks (WSNs) . Exploiting a fleet of Mobile Chargers (MCs) to replenish the energy-critical sensor nodes provides a new dimension to maintain long-term network operations, but may suffer from high charging delay due to MC’s limited mobility. Most existing studies focus on the reduction of server-oriented delay, i.e., the overall time taken by MCs (servers) to carry out sensor charging and travel inside the sensing field. However, these solutions may

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Lewis, Sophie R., and Janette Bulkan. "The political logics of EU-FLEGT in Thailand’s multistakeholder negotiations: Hegemony and resistance." Journal of Political Ecology 29, no. 1 (2022). http://dx.doi.org/10.2458/jpe.2398.

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The reduction of illegal logging and related trade has been on the international policy agenda since the 1990s. The EU's Forest Law Enforcement, Governance and Trade initiative (EU-FLEGT) seeks to address illegal logging through a scheme that rests on multistakeholder negotiations. However, past initiatives seeking to reform forest governance in the global South have reproduced the uneven outcomes of colonial forest governance by further empowering national government authorities. In the case of Thailand, FLEGT negotiations between November 2013 and April 2021 succeeded in opening a political

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Lebedef, Elena Alessandra, and Catherine Chambers. "Youth and newcomers in Icelandic fisheries: opportunities and obstacles." Maritime Studies 22, no. 3 (2023). http://dx.doi.org/10.1007/s40152-023-00326-0.

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AbstractPrivatized fishery management schemes, alongside other cultural and social changes, have led to a high average age in some fisheries, where youth and newcomers are not meaningfully present in the industry. This research explored the current and future opportunities and constraints for youth and newcomers in Icelandic fisheries, which are managed by an Individual Transferable Quota system. Data were collected through participant observation and 25 semi-structured interviews with key individuals in fisheries. Inductive qualitative analysis of interview data determined recurrent themes th

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