DC Circuit hears challenge to EPA’s 2019 biofuel mandate, small refinery waivers2020-09-252020-09-25/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px
Ethanol trade group Growth Energy took its challenge of the Environmental Protection Agency’s 2019 biofuel…