GOP States Detail Legal Claims Against California Vehicle GHG Rules

Republican-led states are detailing legal arguments against EPA’s reinstatement of a preemption waiver for California’s vehicle greenhouse gas standards, claiming the Clean Air Act’s (CAA) provisions for such waivers violate the Constitution and that this waiver specifically conflicts with federal fuel economy law. The arguments -- laid out in an Oct. 20 brief in State of Ohio et al. v. EPA in the U.S. Court of Appeals for the District of Columbia Circuit -- represent a frontal assault on...