Tad W. Patzek. “Sustainability of the Corn-Ethanol Biofuel Cycle”. U.C. Berkeley. 2004 – “Corn-ethanol brings no energy savings and no lessening of the U.S. energy dependency on foreign crude oil, natural gas, and liquified petroleum gas. The opposite happens, we import more methane, LPG, and crude oil. We then burn these fuels to produce corn-ethanol and, finally, we burn the ethanol in our cars at the additional cost of extensive environmental damage.”
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