Please wait <a href=" http://www.exerciseregister.org/medrol-32-prospect.pdf#ate ">medrol cause weight gain</a> E85 is typically used by cars and light trucks known asflexible-fuel vehicles. About 2.5 million FFVs were sold in theUnited States in 2012, according to the Renewable FuelsAssociation. Only about 2 percent of U.S. retail gas stationscarry E85, concentrated in states with ethanol refineries.