The D.C. Circuit denied a petition for review challenging EPA's decision granting California a waiver from federal preemption under the CAA that allows the state to implement its own regulations requiring automobile manufacturers to reduce fleet-average greenhouse gas emissions from new motor vehicl...

A district court denied two aviation associations' motions to intervene in a case asking the court to order EPA to use its authority under the CAA to regulate greenhouse gas emissions from marine vessels, aircraft, and other nonroad vehicles. The aviation associations filed the instant motions to in...

A district court held that the United States' action to collect an EPA civil monetary penalty imposed against an oil refining company under RCRA and the Federal Debt Collection Procedures Act (FDCPA) is not time barred. The parties agreed that the five-year limitations period under 28 U.S.C. §...

A Michigan appellate court upheld the state environmental agency's concentrated animal feeding operation (CAFO) rule. The challenged rule falls within the scope of the agency's statutory rulemaking authority, is rationally related to the agency's statutory mandate to protect Michigan's waters from p...