The court denies a petition for review seeking reversal of the U.S. Environmental Protection Agency (EPA) Administrator's decision not to object to a state agency's determination that…

The court holds that the U.S. Environmental Protection Agency (EPA) did not abuse its discretion or act arbitrarily or capriciously in invalidating a state-granted prevention of significant…

The court holds that a gas and electric company violated the Clean Air Act (CAA) by failing to obtain a preconstruction permit before making modifications to its facility even though there were no…

The court vacates the U.S. Environmental Protection Agency's (EPA's) approval of the revised ozone state implementation plans (SIPs) for the Washington, D.C., Metropolitan Area (…

The court denies an industry association's petition to review the U.S. Environmental Protection Agency's (EPA's) denial of the association's Clean Air Act (CAA) §112(b)(3)…

The court holds that the best available retrofit technology (BART) provisions of the U.S. Environmental Protection Agency's (EPA's) regional haze rule violate the Clean Air Act (CAA),…

The U.S. Court of Appeals for the District of Columbia Circuit denies petitioners' challenge to a U.S. Environmental Protection Agency (EPA) rule requiring drastic reductions in exhaust…

The court holds that the New York Air Pollution Mitigation Law is preempted by the Clean Air Act (CAA) and violates the U.S. Commerce Clause. Under Air Pollution Mitigation Law §66-k, an electric…

The court affirms a February 2001, district court order requiring the U.S. Environmental Protection Agency (EPA) to make an air quality attainment status determination for the St. Louis, Missouri…

The court affirms a district court conviction and sentencing of an individual for six counts of violating the Clean Air Act's (CAA's) asbestos national emissions standard for hazardous…