EPA Reconsiders Waiver For CARB Vessel Rules, Sparking Litigation Debate

May 6, 2025
The Trump EPA is reconsidering a Biden-era approval of a Clean Air Act waiver of federal preemption for California’s regulations to reduce pollution from ocean-going vessels while they are at-berth in ports, a move that is sparking debate over whether officials should continue litigating an industry suit over the issue. In a brief filed last week in Western States Petroleum Association (WSPA) v. EPA , the Trump EPA asked the U.S. Court of Appeals for the D.C. Circuit to pause...


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