 From the Ag Information Network, this is your agribusiness update. A new study by economists at UC Berkeley and the U.S. Naval Academy found drivers could expect to save 20 cents per gallon by using E15 fuel, a blend of 15% ethanol and 85% gasoline that's approved in 49 states. According to the study, if California was allowed to sell E15, consumers could save $2.7 billion annually. On top of that, the Department of Energy acknowledges ethanol slashes greenhouse gas emissions