Ethanol Demand in U.S. Adds to Food, Fertilizer Costs

U.S. plans to replace 15 percent of gasoline consumption with crop-based fuels including ethanol are already leading to some unintended consequences as food prices and fertilizer costs increase. About 33 percent of U.S. corn will be used for fuel over the next decade, up from 11 percent in 2002, the Agriculture Department estimates.