Looking ahead over the next eight years, it becomes clear that there will be less gasoline used in the transportation sector, which in turn means less opportunity for ethanol. Therefore, ethanol use would certainly decline without an increase in the blend level.Gaining regulatory approval for E15 has been on the industry’s checklist since the Renewable Fuel Standard (RFS) was reformed in 2007, but there has been a conspicuous push this spring to secure it for year-round usage (see Ag Perspectives, 16 May). It currently cannot be used in summer months, and tomorrow will be the last day retailers can sell E15 blended fuel until 15 September.Looking ahead over the next eight years, it becomes clear that there will be less gasoline used in the...