The Ninth Circuit refused to rehear a case in which it previously ruled that environmental groups lacked standing to compel the Washington State Department of Ecology and other regional agencies to regulate greenhouse gas emissions from the state's five oil refineries under the CAA. One of the judge...

The D.C. Circuit denied a road building association's petition for review challenging EPA's CAA §209(e) regulations, which preempt certain state regulation of nonroad engines. In general, §209(e) preemption reaches nationwide. California, however, may adopt certain otherwise preempted regulations ...

The D.C. Circuit vacated EPA's new source review (NSR) rule for Indian country, which established a federal implementation plan (FIP) covering all Indian country nationwide except where EPA had already approved a tribal NSR program or expressly authorized a SIP to be enforced. Because SIPs did not o...

A district court dismissed as time-barred Puerto Rico's lawsuit against two gasoline suppliers for groundwater contamination. The commonwealth had sufficient knowledge of both the alleged injury and the identity of the alleged tortfeasors in 2007 when it filed its initial complaint against gasoline ...

The Fourth Circuit affirmed a lower court decision dismissing a widow's claim that a coal company committed fraud on the court and thereby deprived her husband, a coal miner, of nearly a decade of benefits under the Black Lung Benefits Act (BLBA). Because the coal company had admitted liability for ...