The Ninth Circuit granted citizen groups' petition for review of a final action by EPA approving in part and disapproving in part revisions to California's SIP for meeting CAA air quality standards for ozone. EPA's failure to order California to submit a revised attainment plan for the South...

The Ninth Circuit vacated and remanded DOE's energy transmission congestion study and national interest electric transmission (NIET) corridor designations prepared under the Energy Policy Act of 2005 (EPAct). The EPAct added §216 to the Federal Power Act, requiring DOE to prepare the conges...

The Third Circuit dismissed a petition for review of an EPA letter opining that facilities operated by a landfill and a neighboring energy company were under common control for purposes of air emissions permitting. The landfill owner challenged EPA's determination under CAA §307(b)(1), whic...

The Ninth Circuit held that the CAA does not preempt a California air pollution district rule requiring development sites to reduce the amount of pollutants they emit. CAA §209(e)(1) only preempts those standards or requirements relating to the control of emissions from "new" construction e...