Volkswagen High Court Petition Tests EPA Auto Air Enforcement Authority

Volkswagen (VW) is urging the Supreme Court to hear a case testing the scope of EPA’s power to enforce Clean Air Act (CAA) emissions controls for automobiles, claiming that a regional appeals court erred in finding that states and municipalities can pursue enforcement actions against automakers for post-sales software updates in vehicle fleets. In its Jan. 21 petition for high court review, the major automaker in Volkswagen Group of America, Inc., et al., Petitioners v. The Environmental Protection Commission of...