The latest two lawsuits facing U.S. EPA are from Valero, the nation’s largest refiner and third-largest ethanol producer. The first petitions that EPA move the obligations to blend biofuels from refiners to the marketing companies downstream that own the fuel at the time of blending.Perhaps the safest job in America right now is being a lawyer at the U.S. EPA as the agency is facing at least seven lawsuits over the Renewable Fuel Standard (RFS). The latest two are from Valero, the nation’s largest refiner and third-largest ethanol producer. The first petitions that EPA move the obligations to blend biofuels from refiners to the marketing companies downstream that own the fuel at the time of blending. The argument is this will help boost bio...