Des Moines Register: The battle between U.S. ethanol producers and oil companies has reached a turning point, with the winners poised to gain an advantage over the future of the countrys energy mix and the losers forced to cede profits and jobs to their bitter rival.
Ground zero of the battle is the countrys Renewable Fuel Standard an 8-year-old law that requires refiners to produce alternative fuels from corn, soybeans and other products in an effort to reduce the countrys dependence on foreign oil.
The drop...