A district court dismissed an environmental group's CAA citizens suit against EPA for failing to make a finding that Idaho and Utah failed to timely submit SIPs for fine particulate matter (PM2.5). In 2007, EPA issued a rule that required states to submit their SIPs for PM2.5 within three years afte...
The D.C. Circuit denied an electric utility association's petition for review challenging EPA's new source performance standards for steam generating units. The standards—issued via final rules in 2009 and again in 2012—exempt all units using particulate matter continuous emissions monitoring sy...
The Washington Supreme Court upheld the state environmental agency's determination that an EIS was not necessary for a proposed biomass cogeneration project at a kraft pulp and paper mill. An environmental group argued that by not preparing an EIS, the agency failed to adequately consider the effect...
A district court granted in part and denied in part motions to dismiss an environmental group's citizen suit against a utility company for alleged CAA violations at a coal-fired power plant in Muskogee, Oklahoma. The group alleged that the company failed to obtain a prevention of significant deterio...
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 ...