But here's one special interest that knows its way around Washington.
EPA signals approval of higher-ethanol gas
Raising the so-called “blend wall” has sparked a lobbying fight among ethanol makers that wanted it raised and automakers and other manufacturers that fear fuel sold with higher ethanol content could damage engines.
Fuel currently can’t contain more than 10 percent ethanol.
Ethanol producers have argued higher blends are safe and would create more jobs in the industry.