D.C. Circuit Rejects Challenges To EPA Waiver For California Auto Rules

April 9, 2024
The U.S. Court of Appeals for the District of Columbia Circuit is rejecting Republican states’ constitutional challenge to EPA’s Clean Air Act federal preemption waiver for California’s passenger vehicle emissions standards, a decision that could bolster a suite of other final and pending waivers the state is seeking. In addition, the court in an April 9 opinion dismissed statutory challenges brought by both the states and liquid fuels groups, concluding that both sets of petitioners lack standing to bring the...

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