A district court rejected a group of mid-Atlantic states' claims that projects undertaken by an energy company at three of its coal-fired power plants in Pennsylvania violated the CAA's prevention of significant deterioration and new source performance standards requirements. The states sought an in...

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 Seventh Circuit held that a lower court should have awarded a real estate firm double damages for harm caused by an oil company during its attempt to clean up pollution at gas stations in Michigan the firm leased to it. The firm filed a breach of contract claim and a waste claim for eight sites ...

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...