Ethanol’s influence on retail gasoline prices debated

摘要

Washington—Backers of the US ethanol and refining sectors clashed May 15 over the influence renewable fuels have on prices at the retail gasoline pump. The Renewable Fuels Association said ethanol production drove gasoline prices down by $1.09/gal in 2011 on a national average, citing a study the trade group paid Iowa State University researchers to update.