The D.C. Circuit dismissed automobile industry groups' petition challenging an EPA rule intended to mitigate the misfueling of vehicles and engines with gasoline containing greater than 10%…

The Tenth Circuit denied petitions for review challenging EPA's approval of a regional cap-and-trade program regulating sulfur dioxide (SO2) emissions to address regional haze over the…

A district court dismissed Nebraska's lawsuit challenging EPA's proposed standards to limit carbon dioxide emissions from new or modified fossil fuel-fired electric utility generating…

The D.C. Circuit upheld EPA's denial of a petition to reconsider an Agency rule allocating production allowances for hydrochlorofluorocarbons (HCFCs), ozone-depleting refrigerants. The…

A district court held that it has subject matter jurisdiction over a CAA §321(a) lawsuit against EPA for its alleged failure to evaluate the potential for job losses due to its CAA regulation and…

The Seventh Circuit dismissed an environmental group's lawsuit challenging EPA's decision not to object to Wisconsin's renewal of a Title V permit for a pre-1975 paper mill. Under…

A district court ordered an environmental group to pay $6.4 million in attorney fees in a citizen suit it filed against the owners of a Texas coal-fired power plant for alleged CAA violations.…

The Ninth Circuit vacated and remanded EPA's decision to issue a PSD permit allowing a power company to build and operate a 600 megawatt natural gas-fired power plant. EPA missed the one-year…

A district court held that EPA failed to set emissions standards for hazardous air pollutants under CAA §112(c)(6) in violation of prior court orders. In 2006 and 2011, the court ordered EPA to…

The D.C. Circuit upheld a $72 million judgment against an automobile manufacturer for violating a consent decree requiring certain model year 2005 engines to comply with EPA’s model-year 2006…