Former Officials Doubt EPA Can Preserve Preemption Without GHG Finding

October 24, 2025
Two former Biden administration officials are asserting that courts will not allow EPA to simultaneously argue it lacks a legal basis to regulate greenhouse gases, but that the Clean Air Act would still preempt both common law climate suits and state vehicle emissions programs. The critiques underscore a debate over whether EPA’s high-stakes push to undo its GHG endangerment finding and related vehicle GHG rules could open new paths to advancing climate nuisance claims and state vehicle emissions limits --...


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