What is E15? E15 is a blend of gasoline and up to 15 vol% ethanol. Prior to EPA's October waiver decision, the amount of ethanol in motor vehicle gasoline.
2 Energy Policy Act (EPAct) of 2005 Renewable Fuel Standard (RFS) 7.5 billion gallons renewable fuel in gasoline by 2012 Expand from 9 billion.
Introduction
