The Lima refinery will be paying millions of dollars in penalties and upgrades for violations of the Clean Air Act. The U.S. Justice Department and the Environmental Protection Agency announced a settlement with Cenovus Energy to pay 19 million dollars in civil penalties for benzene and volatile organic compound emissions. The energy company must also implement an estimated 150 million dollars in capital improvements to reduce emissions of benzene by 4.3 tons per year, other hazardous air pollutants by 16 tons per year, and other volatile organic compound emissions by 219 tons per year.

August 22, 2024, Press Release from the Office of Ohio Attorney General Dave Yost: (COLUMBUS, Ohio) — Ohio Attorney General Dave Yost has asked the U.S. Supreme Court to pause a federal rule that forces states and power plants to comply with “unrealistic” and “unlawful” regulations targeting air pollution. In a filing with the court, Yost and the attorney general of Kansas oppose a recent Environmental Protection Agency rule that gives coal-fired power plants an ultimatum: Capture and store 90% of carbon emissions or shut down within eight years.