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1

Tripathi, Tripti, Shravan Kumar, and Sheelendra Bhatt. "Fourth-Generation Biofuels: A Comprehensive Review of Technological Progress and Challenges." Journal of Agriculture Biotechnology & applied sciences (JABAAS) 2, no. 3 (2024): 100–107. https://doi.org/10.5281/zenodo.13954310.

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The current ecological footprint and economic viability of existing biofuel production techniques render them inadequate for replacing fossil fuels and mitigating their contribution to the global greenhouse gas (GHG) emissions inventory. Metabolic engineering of algae underpins the production of fourth-generation biofuels, which are capable of fulfilling this demand. First-generation biofuels are derived from agricultural commodities such as corn and sugarcane. Second-generation biofuels utilize various forms of (ligno)cellulosic biomass. The third and fourth generations of biofuel production
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Blinová, Lenka, Alica Bartošová, and Maroš Sirotiak. "Unconventional Type of Biomass Suitable for the Production of Biofuels." Advanced Materials Research 860-863 (December 2013): 514–17. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.514.

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Production of biofuel from renewable sources is considered to be one of the most sustainable alternatives to petroleum sourced fuels. Biofuels are also viable means for environmental and economic sustainability. Biofuels are divided into four generations. At present microalgae are presented as an ideal third generation biofuel feedstock because of their rapid growth rate and they also do not compete with food or feed crops, and can be produced on non-arable land. Microalgae have broad bioenergy potential because they can be used to produce liquid transportation and heating fuels (bioethanol, b
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Zahra, Ramsha, and Frisba Khan. "A BRIEF REVIEW ON ALGAE BASED BIOFUEL." Journal of Knowledge Learning and Science Technology ISSN: 2959-6386 (online) 1, no. 1 (2022): 50–60. http://dx.doi.org/10.60087/jklst.v1i1.13.

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This Utilization of algae as a sustainable biofuel source is summarized in this critical assessment.Biohydrogen is a third-generation feedstock for the manufacture of biofuels(bioethanol, biodiesel,orbiogas)biofuel made from the gas cannot reach its maximum potential because of the higher Costs of farming,reaping, extraction other stages. Consequently, this evaluation grants Deriving biofuels starting from algaebiomass is explained in great detail systems such as raceway ponds and photobioreactors along with theirbottlenecks. Evolution of biofuel The first section of this manuscript addressed
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Alam, Firoz, Saleh Mobin, and Harun Chowdhury. "Third Generation Biofuel from Algae." Procedia Engineering 105 (2015): 763–68. http://dx.doi.org/10.1016/j.proeng.2015.05.068.

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Epplin, Francis M., and Mohua Haque. "Policies to Facilitate Conversion of Millions of Acres to the Production of Biofuel Feedstock." Journal of Agricultural and Applied Economics 43, no. 3 (2011): 385–98. http://dx.doi.org/10.1017/s1074070800004387.

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First-generation grain ethanol biofuel has affected the historical excess capacity problem in U.S. agriculture. Second-generation cellulosic ethanol biofuel has had difficulty achieving cost-competitiveness. Third-generation drop-in biofuels are under development. If lignocellulosic biomass from perennial grasses becomes the feedstock of choice for second- and third-generation biorefineries, an integrated system could evolve in which a biorefinery directly manages feedstock production, harvest, storage, and delivery. Modeling was conducted to determine the potential economic benefits from an i
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6

Atia Liaqat, Maliha Fatima, Sundas Ishtiaq, and Arshia Amin. "DESIGNED ORF PROTEIN FOR SUSTAINABLE THIRD GENERATION BIOFUEL PRODUCTION." JOURNAL OF MICROBIOLOGY AND MOLECULAR GENETICS 4, no. 1 (2023): 105–28. http://dx.doi.org/10.52700/jmmg.v4i1.106.

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The increasing global energy demands and depletion of fossil fuels urge us to develop alternative energy resources. In recent years, algae has gained much attention as a third-generation biofuel feedstock. Among Algae, microalgae are considered a good source of biofuels because of their relatively more oil concentration and rapid production of biomass. Microalgae have the ability to produce a wide variety of biofuels including bio-oil, bio-diesel, bio-syngas, and bio-hydrogen. Commercial production of biofuels from microalgae is presently not in use because of the high expense of production. T
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Zhu, Lian Dong, Erkki Hiltunen, and Josu Takala. "Microalgal Biofuels Beat the First and Second Generation Biofuels." Applied Mechanics and Materials 197 (September 2012): 760–63. http://dx.doi.org/10.4028/www.scientific.net/amm.197.760.

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Recently biofuels derived from biomass have received increased concerns in an attempt to search for sustainable development. The first and second generation biofuels are unsustainable since the growth of these food or non-food crops for biofuel generation will compete for limited arable farmlands, thus increasing the risks on food availability. Microalgal biofuels, known as the third generation biofuels, have the potential for sustainable production in an economically effective manner. The advantages of microalgae as a biofuel feedstock are many, for instance, high photosynthesis efficiency, h
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8

SHEVCHUK, Hanna. "BIOFUELS FROM ALGAE AS A DIRECTION FOR THE DEVELOPMENT OF THE «GREEN» ECONOMY: THE CURRENT STATE AND PROSPECTS." 3, no. 3(57) (September 28, 2021): 21–36. http://dx.doi.org/10.37128/2411-4413-2021-3-2.

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The article describes environmental aspects of the impact of traditional energy sources on the environment. It is substantiated that energy needs and environmental problems lead to the search for alternative renewable fuels. A comparative analysis of the structure of general supply between traditional and alternative energy sources is done. The current state of production and use of traditional fuels and prospects for the production of biofuels in Ukraine are analyzed. The projected structure of the use of traditional and alternative fuels according to the Energy Strategy of Ukraine until 2035
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9

Blinová, Lenka, Alica Bartošová, and Kristína Gerulová. "Cultivation Of Microalgae (Chlorella vulgaris) For Biodiesel Production." Research Papers Faculty of Materials Science and Technology Slovak University of Technology 23, no. 36 (2015): 87–95. http://dx.doi.org/10.1515/rput-2015-0010.

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Abstract Production of biofuel from renewable sources is considered to be one of the most sustainable alternatives to petroleum sourced fuels. Biofuels are also viable means of environmental and economic sustainability. Biofuels are divided into four generations, depending on the type of biomass used for biofuels production. At present, microalgae are presented as an ideal third generation biofuel feedstock because of their rapid growth rate. They also do not compete with food or feed crops, and can be produced on non-arable land. Cultivation conditions (temperature, pH, light, nutrient quanti
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10

Valdemaras, Makutenas, Miceikiene Astrida, Svetlanska Tatiana, Turcekova Natalia, and Sauciunas Tadas. "The impact of biofuels production development in the European Union." Agricultural Economics (Zemědělská ekonomika) 64, No. 4 (2018): 170–85. http://dx.doi.org/10.17221/285/2016-agricecon.

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The article analyses the effects of the development of biofuel production in the EU (European Union) countries. For this purpose, the authors develop and adapt methodology to determine biofuel production effects considering resource prices, the areas of distribution and employment in the EU. Twenty-seven EU member states are selected for empirical research. Over 98% of production is devoted to first-generation biofuels; therefore, second- and third-generation biofuels are not analysed. The empirical study is carried out by analysing the dynamics of quantitative indicators, and we assess change
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11

Setyono, Gatot, Navik Kholili, and Dwi Khusna. "Implementasi Minyak Wijen Sebagai Bahan Bakar Alternatif Untuk Kendaraan Matic Terhadap Pelaku Bengkel Di Sambi Kerep Surabaya." Pengabdian Masyarakat dan Inovasi Teknologi (DIMASTEK) 1, no. 02 (2022): 35–39. http://dx.doi.org/10.38156/dimastek.v1i02.30.

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Biofuels include energy-enriched chemicals produced directly through biological processes or derived from the chemical conversion of the biomass of previously living organisms. Biofuels can be classified into two categories: primary and secondary biofuels. The main biofuels are produced directly from burning woody plant material or cellulose and dry animal dung. Secondary biofuels can be classified into three generations, and each is produced indirectly from plant and animal materials. The first-generation biofuel is ethanol derived from starch-rich food crops or biodiesel, extracted from anim
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12

Kumar, Sumit, Dushyant Kumar, Prashant Sharma, and Anita Punia. "Challenges and Opportunities in Bioprospecting for Sustainable Biofuel Production: Current Status and Future Perspectives." International Journal of Current Microbiology and Applied Sciences 11, no. 5 (2022): 230–54. http://dx.doi.org/10.20546/ijcmas.2022.1105.027.

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Increasing global energy demand and environmental concerns associated with petroleum have raised interest in biofuels to reduce dependency on crude oil and promote carbon-neutral energy generation. The information available suggests that biomass can become a sustainable and significant contributor to current energy demands if research and development in the field of thermochemical transformation for various biomass types are encouraged. The primary products of biofuel may be in a gas, liquid, or solid form. These products can be further converted by biochemical, physical, and thermochemical me
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Allouache, Amina, Majda Aziza, Toudert Ahmed Zaid, and Mohammed Amouri. "Energy Balance Of Third Generation Bioethanol." ENP Engineering Science Journal 2, no. 1 (2022): 56–62. http://dx.doi.org/10.53907/enpesj.v2i1.97.

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Global greenhouse gas emissions are constantly increasing, despite the partial replacement of fossil fuels by renewable energies. The transport sector is responsible for almost 24% of direct CO2 emissions from the combustion of fossil fuels, generating greenhouse gas emissions, highlighting the need for a greater focus of international policies to encourage the production and the use of biofuels. Bioethanol is the most consumed biofuel in the world; it is produced by fermentation from materials rich in sugar (glucose, starch, cellulose). However, the controversy around the use of first and sec
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14

Preradović, Milica, and Saša Papuga. "Third generation biofuels: Cultivation methods and technologies for processing of microalgal biofuels." Zastita materijala 62, no. 4 (2021): 249–61. http://dx.doi.org/10.5937/zasmat2104249p.

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Energy production from biomass is gaining a lot of attention. Algal oil (microand macroalgae) can be used for biofuel production. Biofuels from this type of feedstock are called third generation biofuels or advanced biofuels. Focus of this paper is on the microalgal biofuels and on the available process technologies. Very important advantage of microalgal biofuels is that microalgae can be cultivated on any type of land, with the possibility of using wastewater streams. Microalgae can be cultivated in open systems, so called "raceway ponds" or in closed systems - photobioreactors: flat panel p
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15

Saad, Marwa G., Noura S. Dosoky, Mohamed S. Zoromba, and Hesham M. Shafik. "Algal Biofuels: Current Status and Key Challenges." Energies 12, no. 10 (2019): 1920. http://dx.doi.org/10.3390/en12101920.

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The current fossil fuel reserves are not sufficient to meet the increasing demand and very soon will become exhausted. Pollution, global warming, and inflated oil prices have led the quest for renewable energy sources. Algal biofuels represent a potential source of renewable energy. Algae, as the third generation feedstock, are suitable for biodiesel and bioethanol production due to their quick growth, excellent biomass yield, and high lipid and carbohydrate contents. With their huge potential, algae are expected to surpass the first and second generation feedstocks. Only a few thousand algal
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16

Soni, Sanjeev Kumar, Apurav Sharma, and Raman Soni. "Microbial Enzyme Systems in the Production of Second Generation Bioethanol." Sustainability 15, no. 4 (2023): 3590. http://dx.doi.org/10.3390/su15043590.

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The primary contributor to global warming has been the careless usage of fossil fuels. Urbanization’s threat to the depletion of these resources has made it necessary to find alternatives due to the rising demand. Four different forms of biofuels are now available and constitute a possible replacement for fossil fuels. The first generation of biofuels is generated from the edible portion of biomass, the second generation is made from the non-edible portion of biomass, the third generation is made from algal biomass, and the fourth generation is made using molecular biology to improve the algal
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17

Naik, Aishwarya N., Mrinalini Singh, and Yasrib Qurishi. "Algal biofuel: A promising perspective." Annals of Plant Sciences 7, no. 5 (2018): 2262. http://dx.doi.org/10.21746/aps.2018.7.5.10.

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The depleting energy resources and rising environmental issues have led to significant research in the field of producing fuel using alternative means. Biofuel can serve as better means to cope up with the depleting fossil and petroleum fuels. The novel properties of algae have set them as the best among all other biomasses and as a better alternative to the energy crisis. Algal biofuels are grouped under “Third generation biofuels” which has gained significant attention recently. Combustion of fossil and petroleum fuel releases sulphur dioxide in the air causing air pollution and acid rain. M
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18

Mohammed Saleh, Ali, Azil Bahari Alias, Noah Mohammed Saleh, et al. "Production of first and second-generation biodiesel for diesel engine operation: A review." NTU Journal of Renewable Energy 5, no. 1 (2023): 8–23. http://dx.doi.org/10.56286/ntujre.v5i1.512.

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Researchers are looking at alternative cleaner technologies to fulfill the rising need for greener fuels. For this reason, alternatives like bioethanol and biodiesel have become commercially available. Renewable fuels are classified as either "first generation," "second generation," or "third generation" depending on the feedstock used in their manufacture. Over the past decade, society's reliance on first-generation biofuel feedstocks has created an inbuilt rivalry between food and fuel. Second-generation biofuel feed-stocks, such as non-edible agricultural waste products, energy crops, and c
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19

Szczepaniak, Iwona, Igor Olech, and Elżbieta Jadwiga Szymańska. "The Use of Canola for Biofuel Production in the Context of Energy Security—A Systematic Literature Review." Energies 18, no. 10 (2025): 2410. https://doi.org/10.3390/en18102410.

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This study examines the evolving role of canola biofuel in achieving energy security, analyzing its historical significance, current challenges, and prospects. Once a dominant feedstock for biodiesel production in Europe, canola biofuel is facing a decline in relevance due to the emergence of second- and third-generation biofuels, which offer greater economic and environmental advantages. The research highlights key factors influencing this shift, including high production costs, resource-intensive cultivation, and suboptimal life cycle environmental performance. Through correlation and causal
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20

Alaswad, A., M. Dassisti, T. Prescott, and A. G. Olabi. "Technologies and developments of third generation biofuel production." Renewable and Sustainable Energy Reviews 51 (November 2015): 1446–60. http://dx.doi.org/10.1016/j.rser.2015.07.058.

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21

Saranya, G., M. D. Subashchandran, Praksah Mesta, and T. V. Ramachandra. "Prioritization of prospective third-generation biofuel diatom strains." Energy, Ecology and Environment 3, no. 6 (2018): 338–54. http://dx.doi.org/10.1007/s40974-018-0105-z.

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22

Singh, Anoop, Stig Irving Olsen, and Poonam Singh Nigam. "A viable technology to generate third-generation biofuel." Journal of Chemical Technology & Biotechnology 86, no. 11 (2011): 1349–53. http://dx.doi.org/10.1002/jctb.2666.

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23

De Simio, Luigi, and Sabato Iannaccone. "Approach for Smart Use of Wastes and Biofuels." Global Environmental Engineers 8 (December 27, 2021): 70–81. http://dx.doi.org/10.15377/2410-3624.2021.08.6.

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The urgent need to reduce greenhouse gas emissions by gradually abandoning fossil fuel sources is required due to climate-changing emergencies. Employing as much as possible renewable energy, in any form and any field, together with a reduction of per capita energy need, can reduce this tendency and contrast the catastrophic consequence of our planet temperature increasing. In this scenario, biofuels production, together with reuse and recycling represent a correct strategy to contrast environmental degradation. Biofuel has been the subject of great interest over the past decade. Their develop
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Kshirsagar, Charudatta M., and R. Anand. "An Overview of Biodiesel Extraction from the Third Generation Biomass Feedstock: Prospects and Challenges." Applied Mechanics and Materials 592-594 (July 2014): 1881–85. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.1881.

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Despite of the fact that the first and the second generation biomass feedstock are attractive options for the biofuel production, these production schemes are considered unsustainable. As the demand for renewable energy grows exponentially, the practicability of the production of these energy carriers becomes tentative and limited since large arable croplands in tropical and tempe-rate regions are required for their cultivation. Moreover, the conversion processes (i.e. thermo-chemical and bio-chemical) associated with the second generation biomass feedstock are far more complex and sophisticat
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Pal, Preeti, Kit Wayne Chew, Hong-Wei Yen, Jun Wei Lim, Man Kee Lam, and Pau Loke Show. "Cultivation of Oily Microalgae for the Production of Third-Generation Biofuels." Sustainability 11, no. 19 (2019): 5424. http://dx.doi.org/10.3390/su11195424.

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Biofuel production by oleaginous microalgae is a promising alternative to the conventional fossil fuels. Many microalgae species have been investigated and deemed as potential renewable sources for the production of biofuel, biogas, food supplements and other products. Oleaginous microalgae, named for their ability to produce oil, are reported to store 30–70% of lipid content due to its metabolic properties under nutrient starvation conditions. This review presents the assortment of the research studies focused on biofuel production from oleaginous microalgae. The new methods and technologies
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Jatindra, N. Bhakta, and Ohnishi Kouhei. "Biofuel potential of aquatic weeds." International Journal of Environmental & Technological Sciences 1 (December 31, 2015): 15–20. https://doi.org/10.5281/zenodo.4707921.

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<strong>Abstract:</strong> Dwindling of fossil fuel reserves and global climate change recently demand an alternative carbon neutral energy resources. To mitigate these global critical problems, scientists have paid much attention to the biomass feedstock as a reliable resource for producing the biofuel as carbon neutral energy resources. In this respect, tremendous biomass growth of aquatic weeds in nutrients enriched aquatic environment uptaking various pollutants has received considerable interest in applying as a potential feedstock for producing sustainable biofuels. Though, a number of s
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Debnath, Chandrani, Tarun Kanti Bandyopadhyay, Biswanath Bhunia, Umesh Mishra, Selvaraju Narayanasamy, and Muthusivaramapandian Muthuraj. "Microalgae: Sustainable resource of carbohydrates in third-generation biofuel production." Renewable and Sustainable Energy Reviews 150 (October 2021): 111464. http://dx.doi.org/10.1016/j.rser.2021.111464.

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28

Khan, Ajmal. "Exploiting the potential of halophytes for third generation biofuel production." Qatar Foundation Annual Research Forum Proceedings, no. 2013 (November 2013): EEP 028. http://dx.doi.org/10.5339/qfarf.2013.eep-028.

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29

CHENNURI, SATHISH, KRANTHI REKHA MUKKERI, and KARAN KUMAR RAMTEKE. "THIRD GENERATION BIOFUEL PRODUCTION FROM THE SEAWEEDS: AN INDIAN PERSPECTIVES." Journal of Aquaculture In The Tropics 34, no. 1-2 (2019): 17–25. http://dx.doi.org/10.32381/jat.2019.34.1-2.2.

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Grover, Atul, Lekha Charan Meher, Ranjit Singh, et al. "Biofuels for Defence Use: Past, Present And Future." Defence Life Science Journal 4, no. 1 (2018): 3–11. http://dx.doi.org/10.14429/dlsj.4.12366.

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Defence sector desires to attain energy self-sufficiency and security. In recent years, emergence of biofuel as an alternative source has raised the hopes of Defence. Ethanol and bio-diesel are currently being used as blends in different parts of the world. While, bio-diesel is mostly being blended in 2-20% in different parts of the world, ethanol blending has reached upto 85%. Owing to the sustainability reasons, the choice of feedstock for ethanol production is gradually changing from corn to lignocelluloses biomass. Jatropha curcas, is still the choice feedstockfor bio-diesel in most third
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Rawat, Jyoti, Piyush Kumar Gupta, Soumya Pandit, et al. "Latest Expansions in Lipid Enhancement of Microalgae for Biodiesel Production: An Update." Energies 15, no. 4 (2022): 1550. http://dx.doi.org/10.3390/en15041550.

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Research progress on sustainable and renewable biofuel has gained motion over the years, not just due to the rapid reduction of dwindling fossil fuel supplies but also due to environmental and potential energy security issues as well. Intense interest in microalgae (photosynthetic microbes) as a promising feedstock for third-generation biofuels has grown over recent years. Fuels derived from algae are now considered sustainable biofuels that are promising, renewable, and clean. Therefore, selecting the robust species of microalgae with substantial features for quality biodiesel production is t
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Gómez Rodríguez, Dustin Tahisin. "Biofuels." e-Agronegocios 7, no. 2 (2021): 83–98. http://dx.doi.org/10.18845/ea.v7i2.5688.

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The overall objective of the article is to characterize trends in biofuel production worldwide. The methodology is qualitative, and the method is of documentary review by matrices with an observation window of the last decade. The main results in reference to the lines of discussion around the production of agrofuel worldwide are from the legislation underpinning the legal environment of trade; secondly, prices; third trade; fourthly production and finally the impact of production on the environment. The main conclusion is that there is scientific evidence that establishes the advantages and d
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Tropea, Alessia. "Biofuels Production and Processing Technology." Fermentation 8, no. 7 (2022): 319. http://dx.doi.org/10.3390/fermentation8070319.

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The negative global warming impact and global environmental pollution due to fossil fuels mean that the main challenge of modern society is finding alternatives to conventional fuels. In this scenario, biofuels derived from renewable biomass represent the most promising renewable energy sources. Depending on the biomass used by the fermentation technologies, it is possible obtain first-generation biofuels produced from food crops, second-generation biofuels produced from non-food feedstock, mainly starting from renewable lignocellulosic biomasses, and third-generation biofuels, represented by
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Brutyan, Murad Muradovich. "Foresight of Microalgae Usage for the Production of Third-Generation Biofuel." Indian Journal of Science and Technology 10, no. 16 (2017): 1–10. http://dx.doi.org/10.17485/ijst/2017/v10i16/111621.

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Ananthi, V., Rathinam Raja, Isabel S. Carvalho, Kathirvel Brindhadevi, Arivalagan Pugazhendhi, and A. Arun. "A realistic scenario on microalgae based biodiesel production: Third generation biofuel." Fuel 284 (January 2021): 118965. http://dx.doi.org/10.1016/j.fuel.2020.118965.

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36

Zheliezna, T. A., S. V. Drahniev, and A. I. Bashtovyi. "PROSPECT FOR THE USE OF SECOND GENERATION BIOFUELS AS JET FUEL." Thermophysics and Thermal Power Engineering 44, no. 2 (2022): 54–63. https://doi.org/10.31472/ttpe.2.2022.7.

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The aim of the work is to analyze the prospects for the development of bioenergy sector related to the production of second-generation aviation biofuels in the world and in Ukraine. The transport sector is a powerful source of greenhouse gas emissions. To meet the ambitious goal of achieving climate neutrality by 2050, the EU must reduce greenhouse gas emissions by 55% by 2030 from 1990 levels. According to experts, up to a third of this reduction is accounted for transport. Compared to other sectors, transport is difficult to decarbonize; this is especially true in segments such as aviation a
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Fairoz, Basha M., and Rao K. V. L. Shrikanya. "A review on third-generation biofuels from marine diatoms." GSC Biological and Pharmaceutical Sciences 24, no. 1 (2023): 373–79. https://doi.org/10.5281/zenodo.8265542.

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Modern life&nbsp;increases&nbsp;the consumption of fossil fuels&nbsp;leading to&nbsp;a decrease in natural resources.&nbsp;Therefore, an alternative&nbsp;energy sources&nbsp;like biowastes - food waste, agricultural waste,&nbsp;municipal&nbsp;waste,&nbsp;etc. energy&nbsp;tree sources like edible and non-edible&nbsp;oily seeds;&nbsp;and various aquatic plants&nbsp;were&nbsp;also identified as energy sources. In recent&nbsp;years, many efforts have&nbsp;been&nbsp;made&nbsp;to determine the&nbsp;possibility&nbsp;of using algae as a source of bio-oil and biogas for energy production. Algae are con
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Housh, Mashor, Madhu Khanna, and Ximing Cai. "Mix of First- and Second-Generation Biofuels to Meet Multiple Environmental Objectives: Implications for Policy at a Watershed Scale." Water Economics and Policy 01, no. 03 (2015): 1550006. http://dx.doi.org/10.1142/s2382624x1550006x.

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Biofuel mandates are being widely used by countries to achieve multiple objectives of energy security and climate change mitigation. The Renewable Fuel Standard (RFS) in the US specifies arbitrarily chosen volumetric targets for different types of biofuels in the US based on their greenhouse gas intensity only. Cellulosic biofuels from high yielding energy crops like miscanthus have the potential to co-generate multiple environmental impacts, including reducing nitrate runoff, being a sink for Greenhouse Gas (GHG) emissions and providing a given volume of biofuel with less diversion of land fr
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Abbasi, Mostafa, Mir Saman Pishvaee, and Shayan Mohseni. "Third-generation biofuel supply chain: A comprehensive review and future research directions." Journal of Cleaner Production 323 (November 2021): 129100. http://dx.doi.org/10.1016/j.jclepro.2021.129100.

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40

Iakovidou, Gesthimani, Aikaterini Itziou, Arsenios Tsiotsias, et al. "Application of Microalgae to Wastewater Bioremediation, with CO2 Biomitigation, Health Product and Biofuel Development, and Environmental Biomonitoring." Applied Sciences 14, no. 15 (2024): 6727. http://dx.doi.org/10.3390/app14156727.

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In the current study, the cultivation of microalgae on wastewater-based substrates is investigated for an effective natural wastewater treatment that also generates biofuels and value-added products beneficial to human health. Additionally, the health of ecosystems can be evaluated via microalgae. The utilization of microalgae as bioindicators, biofuel producers, and wastewater treatment providers, under the biorefinery concept, is covered in this article. In fact, bioremediation is feasible, and microalgae culture can be used to efficiently process a variety of effluents. Along with wastewate
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Assaf, Jean Claude, Zeinab Mortada, Sid-Ahmed Rezzoug, Zoulikha Maache-Rezzoug, Espérance Debs, and Nicolas Louka. "Comparative Review on the Production and Purification of Bioethanol from Biomass: A Focus on Corn." Processes 12, no. 5 (2024): 1001. http://dx.doi.org/10.3390/pr12051001.

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In the contemporary era, conventional energy sources like oil, coal, and natural gas overwhelmingly contribute 89.6% to global CO2 emissions, intensifying environmental challenges. Recognizing the urgency of addressing climate concerns, a pivotal shift towards renewable energy, encompassing solar, wind, and biofuels, is crucial for bolstering environmental sustainability. Bioethanol, a globally predominant biofuel, offers a versatile solution, replacing gasoline or integrating into gasoline–ethanol blends while serving as a fundamental building block for various valuable compounds. This review
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Johnston, Katherine G., Abdelfatah Abomohra, Christopher E. French, and Abdelrahman S. Zaky. "Recent Advances in Seaweed Biorefineries and Assessment of Their Potential for Carbon Capture and Storage." Sustainability 15, no. 17 (2023): 13193. http://dx.doi.org/10.3390/su151713193.

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Seaweeds are among the most important biomass feedstocks for the production of third-generation biofuels. They are also efficient in carbon sequestration during growth and produce a variety of high-value chemicals. Given these characteristics together with the relatively high carbohydrate content, seaweeds have been discussed as an ideal means for CO2 capture and biofuel production. Though third-generation biofuels have emerged as some of the best alternatives to fossil fuels, there is currently no large-scale production or mainstream use of such liquid fuels due to the many technical challeng
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Ortiz-Marquez, Juan Cesar Federico, Mauro Do Nascimento, Maria de los Angeles Dublan, and Leonardo Curatti. "Association with an Ammonium-Excreting Bacterium Allows Diazotrophic Culture of Oil-Rich Eukaryotic Microalgae." Applied and Environmental Microbiology 78, no. 7 (2012): 2345–52. http://dx.doi.org/10.1128/aem.06260-11.

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ABSTRACTConcerns regarding the depletion of the world's reserves of oil and global climate change have promoted an intensification of research and development toward the production of biofuels and other alternative sources of energy during the last years. There is currently much interest in developing the technology for third-generation biofuels from microalgal biomass mainly because of its potential for high yields and reduced land use changes in comparison with biofuels derived from plant feedstocks. Regardless of the nature of the feedstock, the use of fertilizers, especially nitrogen, enta
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Mizik, Tamás, and Gábor Gyarmati. "Three Pillars of Advanced Biofuels’ Sustainability." Fuels 3, no. 4 (2022): 607–26. http://dx.doi.org/10.3390/fuels3040037.

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Today, reducing GHG emissions is an important goal worldwide. Initially, first-generation biofuels were considered as a solution; however, they created a conflict between food and fuel. Advanced biofuels, which use non-edible materials, have emerged and are becoming more widespread, thus resolving this conflict. The paper aimed to investigate the three pillars of advanced biofuels’ sustainability (economic, environmental, and social). In the frame of a systematic literature review, 41 out of the initially screened 3407 articles were analyzed in depth. The economic aspect of sustainability was
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Shtapenko, O., O. Svarchievska, V. Butsyak, S. Slobodian, and Ye Dzen. "Biotechnological potential of biofuels in the context of global energy challenges." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 27, no. 102 (2025): 277–85. https://doi.org/10.32718/nvlvet-a10240.

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The modern world needs to decarbonize the energy sector, where biofuels are a key alternative to fossil fuels to improve energy security. The purpose of the article is to systematically review and analyze the current state and prospects of biological conversion of biomass into biofuels, highlighting its evolution from the first to the fourth generation, assessment of technological advances, economic aspects and environmental impact. The study is based on a systematic analysis of relevant scientific literature from leading international databases. The methodology included a critical assessment
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Singh, Varsha K., Sapana Jha, Palak Rana, et al. "Cyanobacteria as a Biocatalyst for Sustainable Production of Biofuels and Chemicals." Energies 17, no. 2 (2024): 408. http://dx.doi.org/10.3390/en17020408.

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The combustion of fossil fuels constitutes a significant catalyst for climate change, resulting in the annual release of about two billion tonnes of carbon dioxide (CO2). The increase in CO2 emission is directly linked to a heightened occurrence of natural calamities and health-related issues. The substitution of fossil fuels with renewable energy sources is a fundamental approach to reduce the negative impacts caused by consumption of these nonrenewable energy resources. The utilisation of biological methodologies to produce environmentally friendly energy from renewable sources holds signifi
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Llano, Tamara, Carlos Arce, Lien E. Gallart, Ana Perales, and Alberto Coz. "Techno-Economic Analysis of Macroalgae Biorefineries: A Comparison between Ethanol and Butanol Facilities." Fermentation 9, no. 4 (2023): 340. http://dx.doi.org/10.3390/fermentation9040340.

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Ulva rigida seaweed is constituted by ulvan, which is a sulfated polysaccharide with uses in a wide variety of applications. After the ulvan-oriented extraction process, a crystalline and recalcitrant residue, the so-called pulp, appears. In this work, this residue was valorized through a multiple-stage process. The total processing of the algae consists of hot water extraction, acid hydrolysis, ABE fermentation, and distillation in order to obtain not only ulvan but also butanol and bioethanol to be used as biofuels by simulating two third-generation algae-based biorefineries in Aspen Plus v1
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Zheliezna, T. A., S. V. Drahniev, and A. I. Bashtovyi. "ANALYSIS OF SUCCESSFUL CASES OF HEAT PRODUCTION FROM AGROBIOMASS IN EUROPE." Thermophysics and Thermal Power Engineering 44, no. 2 (2022): 38–46. https://doi.org/10.31472/ttpe.2.2022.5.

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The aim of the work is to analyze the prospects for the development of bioenergy sector related to the production of second-generation aviation biofuels in the world and in Ukraine. The transport sector is a powerful source of greenhouse gas emissions. To meet the ambitious goal of achieving climate neutrality by 2050, the EU must reduce greenhouse gas emissions by 55% by 2030 from 1990 levels. According to experts, up to a third of this reduction is accounted for transport. Compared to other sectors, transport is difficult to decarbonize; this is especially true in segments such as aviation a
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Rasool, Ubaid, and S. Hemalatha. "A review on bioenergy and biofuels: sources and their production." Brazilian Journal of Biological Sciences 3, no. 5 (2016): 3. http://dx.doi.org/10.21472/bjbs.030501.

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Bioenergy refers to renewable energy produced from biomass. Biomass is any organic material which has stored sunlight in the form of chemical energy. Depleting fossil fuel reserves and growing demand for energy has necessitated the renewed search for alternative energy resources such as plants. Biofuels are an alternative to fossil fuels, which are liquid or gaseous fuels that are derived from biomass sources. Biofuels can be used alone or in combination with other fossil fuels such as petrol. Biofuels are classified into first, second and third generation biofuels. In this review paper, empha
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Lo, S. L. Y., K. G. H. Kong, B. S. How, J. Y. Lim, P. L. Show, and J. Sunarso. "Techno-economic evaluation of microalgae-based supply chain: Review on recent approaches." IOP Conference Series: Materials Science and Engineering 1195, no. 1 (2021): 012026. http://dx.doi.org/10.1088/1757-899x/1195/1/012026.

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Abstract Third generation biomass-derived products such as biofuel has been garnering attention as a viable alternative energy source recently as it does not necessarily require fresh water and vast land for cultivation as compared to first-generation and second-generation biomass. However, extensive studies have to go into the feasibility evaluation for third generation biomass utilization prior to upscaling the process to commercial level. Other than comprehensive technical evaluation such as experimental studies to understand the microalgae productivity, economic evaluation of the utilizati
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