Thune says year-round higher ethanol blend will require compromising with small oil refiners

SIOUX FALLS — The year-round sale of higher ethanol-blended gasoline, called E15, does not have enough votes in the U.S. Senate unless it comes with compromises for small oil refineries, said Majority Leader John Thune, R-South Dakota. Ethanol is a gasoline additive made primarily from corn, and a lower E10 blend is already available year-round. […]