"Ethanol Mandate, a Boon to Iowa Alone, Faces Rising Resistance"
"AMES, Iowa — Tim Recker has been growing corn in this state his whole life, and using his crops to make ethanol almost as long, at first by the jar for his trucks, now by the barrel for the nation. That is in large part because Congress in 2005 mandated that oil refiners blend ethanol into gasoline."