A group representing biofuel companies asked a federal judge on Tuesday to force the U.S. Environmental Protection Agency to stop exempting small refineries from renewable fuel laws until a lawsuit challenging the agency’s actions is resolved. The U.S. Environmental Protection Agency (EPA) sign is seen on the podium at EPA headquarters in Washington, U.S., July 11, 2018. REUTERS/Ting Shen Producers United argued, among other things, the EPA violated the law when it issued retroactive biofuel credits to HollyFrontier and Sinclair Oil this year as part of a legal settlement. The EPA’s decision, first reported by Reuters, lowers statutory renewable fuel mandates without any required public notice, the group alleges in the challenge, filed in U.S. Appelate Court in Washington. Several biofuel organizations have brought similar lawsuits against the EPA related to small refinery hardship waivers, but Producers United is the first to ask a judge […]