E10 gasoline now standard, but E15 push stalled, so here comes E30

Big square baler harvesting wheat straw for production of cellulosic ethanolThough the Environmental Protection Agency has already ruled on ethanol-blended gasoline mixtures for 2018, that hasn't stopped ethanol advocates from pushing for a higher 30-percent blend for non-flex-fuel vehicles. The latest call for ethanol comes from corn-state ethanol refiners, farmers, and an ethanol-producer trade association, all of whom...

Renewable-fuel mandate ruling leaves no one happy: the best compromise?

Non-ethanol gasoline pumpAs they say, the best compromise is usually the one that leaves all parties equally dissatisfied. When it comes to the Environmental Protection Agency's renewable-fuel mandate, it seems regulators have reached equilibrium. The latest skirmish in the long-running battle over the U.S. renewable-fuel standard appears to have been settled, at least...

Proposed ethanol cuts bring EPA up against Iowa’s powerful politician

Big square baler harvesting wheat straw for production of cellulosic ethanolFollowing years of debate, the EPA said earlier this month it will study the possibilities of cutting the amount of ethanol in the United States' gasoline supply. Since 2007, the Renewable Fuel Standard (RFS) has required growing amounts of ethanol to be blended into U.S. fuel supplies, with E10—a mix of 10 percent ethanol and 90 percent...

Sierra Club to sue EPA over failure to report on ethanol

FlexFuel badge on E85-capable 2009 Chevrolet HHRThe confirmation of Scott Pruitt as Environmental Protection Agency administrator was expected to rankle environmental groups. Pruitt is a climate-science denier who, in his previous position as Oklahoma attorney general, sued the agency he is now charged with many multiple times over its efforts to enforce environmental regulations. But what may...