More problems with biofuels.

"In 2005, America used 15% of its corn crop to replace just 2% of its gasoline. Two new studies say use of biofuels will leave the world a warmer and hungrier place.
We are witnessing the beginnings of one of the great tragedies of history," Lester Brown, president of the Earth Policy Institute, said in a written statement. "The United States, in a misguided effort to reduce its oil insecurity by converting grain into fuel for cars, is generating global food insecurity on a scale never seen before."" LINK