State of Ohio, et al v. EPA, et al

  1. May 19, 2022

    Calif. Squares Up In DC Circ. To Defend CAA Waiver

    A group of states and cities led by California told the D.C. Circuit they want to join a lawsuit filed by a rival group of states that aims to strip California of its right under the Clean Air Act to create its own greenhouse gas emission standards for cars and trucks.

  2. May 13, 2022

    Red States Challenge Approval Of Calif. Emissions Waiver

    A group of Republican-led states on Thursday sued the U.S. Environmental Protection Agency over its decision to restore a Clean Air Act waiver to California that allows the Golden State to craft its own greenhouse gas regulations for vehicles.