| DOE reported that corn exports grew from 2002 to 2007 (by 50%) even as corn ethanol production in the U.S. increased at an average rate of 25% per year. A report prepared for the California Air Resources Board by a team of scientists at the Oak Ridge National Laboratory found corn ethanol contributed "minimal to zero" impact from the Indirect Land Use Change (ILUC) scheme. I'm not familiar with the effects of growing corn on soil, but I will look into it.
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