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Trends Plant Sci. 2009 Mar;14(3):140-6. doi: 10.1016/j.tplants.2008.12.006. Epub 2009 Feb 21.

Life-cycle analysis and the ecology of biofuels.

Author information

1
Institute of Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.

Abstract

Biofuels have been proposed as an ecologically benign alternative to fossil fuels. There is, however, considerable uncertainty in the scientific literature about their ecological benefit. Here, we review studies that apply life-cycle analysis (LCA), a computational tool for assessing the efficiency and greenhouse gas (GHG) impact of energy systems, to biofuel feedstocks. Published values for energy efficiency and GHG differ significantly even for an individual species, and we identify three major sources of variation in these LCA results. By providing new information on biogeochemistry and plant physiology, ecologists and plant scientists can increase the accuracy of LCA for biofuel production systems.

PMID:
19231273
DOI:
10.1016/j.tplants.2008.12.006
[Indexed for MEDLINE]

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