USPS Ethanol vehicals burn more gas get fewer miles pre gallon.

http://theweatherguru.blogspot.com/2...fice-burn.html

"The experience shows how the U.S. push for crop-based fuels, already contributing to the highest rate of food inflation in 17 years, may not be achieving its goal of reducing gasoline consumption. Lawmakers are seeking caps on the use of biofuels after last year's 40 percent jump in world food prices, calling the U.S. policy flawed. "