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Environmental assessment of biofuel pathways in Ile de France based on ecosystem modeling

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2014 France Publisher:Elsevier BVJournal:Bioresource Technology, volume 152, pages 511-518 (issn: 0960-8524,

Authors: Gabrielle, Benoît; Gagnaire, Nathalie; Massad, Raia Silvia; Dufossé, Karine; Bessou, Cécile;

doi: 10.1016/j.biortech.2013.10.104

pmid: 24280674

Environmental assessment of biofuel pathways in Ile de France based on ecosystem modeling

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Abstract

The objective of the work reported here was to reduce the uncertainty on the greenhouse gas balances of biofuels using agro-ecosystem modeling at a high resolution over the Ile-de-France region in Northern France. The emissions simulated during the feedstock production stage were input to a life-cycle assessment of candidate biofuel pathways: bioethanol from wheat, sugar-beet and miscanthus, and biodiesel from oilseed rape. Compared to the widely-used methodology based on fixed emission factors, ecosystem modeling lead to 55-70% lower estimates for N2O emissions, emphasizing the importance of regional factors. The life-cycle GHG emissions of first-generation biofuels were 50-70% lower than fossil-based equivalents, and 85% lower for cellulosic ethanol. When including indirect land-use change effects, GHG savings became marginal for biodiesel and wheat ethanol, but were positive due to direct effects for cellulosic ethanol.

Country

France

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Keywords

Greenhouse Effect, P06 - Sources d'énergie renouvelable, Nitrous Oxide, Betterave sucrière, Soil, F01 - Culture des plantes, Biomass, Triticum, Utilisation des terres, Éthanol, Agroécosystème, P01 - Conservation de la nature et ressources foncières, France, Gaz à effet de serre, Analyse du cycle de vie, Crops, Agricultural, P40 - Météorologie et climatologie, Nitrogen, Biocarburant, Miscanthus, Cycle biogéochimique, Production énergétique, Modélisation environnementale, Ecosystem, Brassica napus, Impact sur l'environnement, Évaluation de l'impact, Models, Theoretical, Carbon, Biofuels, Dioxyde d'azote, agrovoc: agrovoc:c_10677, agrovoc: agrovoc:c_36669, agrovoc: agrovoc:c_34841, agrovoc: agrovoc:c_4182, agrovoc: agrovoc:c_5194, agrovoc: agrovoc:c_24836, agrovoc: agrovoc:c_7499, agrovoc: agrovoc:c_9000105, agrovoc: agrovoc:c_27465, agrovoc: agrovoc:c_26574, agrovoc: agrovoc:c_1066, agrovoc: agrovoc:c_37938, agrovoc: agrovoc:c_24420, agrovoc: agrovoc:c_9000056, agrovoc: agrovoc:c_5214, agrovoc: agrovoc:c_3793, agrovoc: agrovoc:c_7950, agrovoc: agrovoc:c_2056

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