There is currently little incentive – other than the RFS mandate – to blend more ethanol if the price increases or the price of gasoline decreases in the coming year.The battle over the Renewable Fuel Standard (RFS), now going into its 10th year, is as hot as ever with both sides weighing in heavily before the end of this month when the U.S. Environmental Protection Agency (EPA) will issue the final rule on the required volume obligations for years 2014, 2015, and 2016. The RFS volume obligation for 2014 will be based on the amount of ethanol produced and used that year, which EPA likely underestimated when it issued the proposed rule in May 2015. The proposal included an implied 13.2 billion gallons of conventional corn ethanol, which will...