D.C. Circuit Pauses Suits Challenging EPA Car, Truck Emissions Rules

March 4, 2025
The D.C. Circuit is granting industry requests to pause litigation over EPA’s multi-pollutant standards for model year 2027 and later passenger vehicles and the agency’s “phase 3” greenhouse gas standards for heavy-duty trucks, amid expectations that EPA will begin reconsidering and scaling back the measures. The U.S. Court of Appeals for the District of Columbia Circuit in a March 4 order holds in abeyance the multi-pollutant litigation -- Commonwealth of Kentucky, et al. v. EPA -- while directing parties...


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