Biofuels and Ethanol. ETHANOL (ethyl alcohol) is produced by distillation of fermented simple sugars in grains and other plant materials, called biomass. In U.S. about 90% of ethanol produced from corn. Used as gasoline extender, octane enhancer and oxygenate. Feedstocks: Grain, Cellulose
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Prices, historically $2.5-$3/bushel,
over $5 now
U.S. Ethanol Biorefinery Locations Expansion
WASHINGTON (February 7, 2008) - A study published today by Science magazine finds that biofuels that use cropland are likely to increase greenhouse gases because previous analyses of biofuels ignored a crucial factor - the use of land.
Authors: Tim Searchinger, GMF transatlantic fellow and a visiting research scholar Princeton, Ralph Heimlich, R.A. Houghton, Fengxia Dong, Amani Elobeid, Jacinto Fabiosa, Simla Tokgoz, Dermot Hayes, and Tun-Hsiang Yu, Iowa State University, the Woods Hole Research Center, and Agricultural Conservation Economics.