Ethanol supporters cheered last summer when Environmental Protection Agency (EPA) Administrator Scott Pruitt resigned. As Oklahoma's Attorney General, Pruitt had sued the EPA over the Renewable Fuel Standard (RFS). As EPA Administrator, Pruitt seemed determined to weaken the RFS. Pruitt angered the ethanol industry by liberally granting waivers to some refiners that sought relief from their ethanol blending quotas. Refiners save money with these waivers, but they also lower the value of the credits refiners must pay to comply with the mandate. That means the waivers weaken the RFS, so they were an irritant for the ... (full story)