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First Generation Bioethanol: Fundamentals—Definition, History, Global Production, Evolution

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Liquid Biofuels: Bioethanol

Part of the book series: Biofuel and Biorefinery Technologies ((BBT,volume 12))

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Abstract

Bioethanol is a fuel of plant origin obtained by the fermentation of simple sugars into alcohol. It can be used blended with fuels of fossil origin or almost pure in adapted vehicles (E-85, flex-fuel technology) particularly developed in Brazil. From a technological point of view, 3 generations coexist depending on the origin (from edible plants, lignocellulosic residues, or algae) of the sugars used for the fermentation. However, to date, the first generation still accounts for more than 95% of the 109 billion liters of ethanol available on the global market in 2019 despite many controversies about competition with foodstuffs and indirect changes in land use associated with the first generation. The obligation to reduce greenhouse gases emissions (GHG) to stay as close as possible to the 1.5 °C temperature raise objective by the end of the century that has been set in the 2015 Paris agreement, associated with the many changes in governments energy and mobility policies favoring electric vehicles in some parts of the world have led to a great uncertainty to foresee the future of this first-generation bioethanol technology.

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Acknowledgments

The authors acknowledge the support from the French government research program “Investissements d’avenir” through the IMObS3 Laboratory of Excellence (ANR-10-LABX-16-01).

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Correspondence to Emmanuel Bertrand .

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Bertrand, E., Dussap, CG. (2022). First Generation Bioethanol: Fundamentals—Definition, History, Global Production, Evolution. In: Soccol, C.R., Amarante Guimarães Pereira, G., Dussap, CG., Porto de Souza Vandenberghe, L. (eds) Liquid Biofuels: Bioethanol. Biofuel and Biorefinery Technologies, vol 12. Springer, Cham. https://doi.org/10.1007/978-3-031-01241-9_1

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