The current Clean Air Act allows the sale of 10% ethanol blended fuels, but ag and liquid fuel industry leaders are pushing for wider acceptance of a 15% blend known as E15, sometimes seen at the ...

An E15 nozzle is displayed on a pump at service station in Minneapolis. The higher blend has been prohibited in the summer because of concerns it could worsen smog during warm weather.

EPA will abide by the current April 28 implementation date, granting year-round authority to certain Midwestern states to allow 15% ethanol (E15) to be sold. Not all are happy with the move to E15, ...