The U.S. Environmental Protection Agency has identified Lion Oil Company's El Dorado refinery as one of 18 refineries receiving a full exemption from 2025 Renewable Fuel Standard requirements. EPA acted on the petitions August 31st and published additional refinery-specific information September 2nd. Under a full exemption, Lion Oil will not be required to retire renewable identification numbers, or RINs, to satisfy its 2025 Renewable Fuel Stand…