Mealey's (November 15, 2021, 11:56 AM EST) -- WASHINGTON, D.C. — The U.S. Supreme Court denied certiorari Nov. 15 in two Clean Air Act (CAA) actions against Volkswagen for tampering with vehicle emissions, one brought by the state of Ohio and the other by counties in Florida and Utah. The high court let stand rulings by the Ohio Supreme Court and the Ninth Circuit U.S. Court of Appeals, which held that the CAA did not prevent the state and counties from enforcing their regulations against Volkswagen for installing emissions software in post-sale vehicles....