This is from the op-ed page of the LA Times, 5-17:
". . . With current technology, almost all of this biofuel would have to come from corn because there is no feasible alternative. However, achieving the 15% goal would require the entire current U.S. corn crop, which represents a whopping 40% of the world's corn supply. This would do more than create mere market distortions: the irrestistible pressure to dirvert corn from food to fuel would create unprecedented turmoil"
For the full article, "Why ethanol backfires" go to:
http://www.latimes.com/news/printedition/opinion/
I'm off to the Midwest. Catch you later.