Nitrous oxide's impact on net greenhouse gas savings from biofuels: life-cycle analysis comparison
by A.R. Mosier, P.J. Crutzen, K.A. Smith, W. Winiwarter
International Journal of Biotechnology (IJBT), Vol. 11, No. 1/2, 2009

Abstract: We discuss the likely impact of agricultural fertiliser N use on the global nitrous oxide (N₂O) budget, as described by Crutzen et al. (2008). We then project the impact of full N₂O accounting in biofuel net Greenhouse Gas (GHG) emissions using the life-cycle analyses from Farrell et al. (2006) (ERG Biofuels Analysis Meta-Model (EBAMM)), Liska et al. (2008) (Biofuel Energy Systems Simulator (BESS)) for corn-based ethanol production and Smith et al. (2006) (Bioethanol GHG Calculator (BGGC)) for wheat-based ethanol. USA biofuel production, even if nominally fulfilling the requirements, may trigger a net increase in global warming.

Online publication date: Sat, 05-Sep-2009

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