The D.C. Circuit held that EPA must continue to enforce methane emissions regulations implemented by the previous administration. In 2016, an EPA regulation required oil and gas companies to find…
The Fourth Circuit held that it does not have jurisdiction to determine whether EPA violated the CAA when the agency failed to conduct continuing evaluations of potential loss or shifts of…
The Ninth Circuit upheld an EPA federal implementation plan (FIP) under the CAA that replaced rejected portions of the Arizona SIP concerning air quality at federal parks and forests. In 2011,…
A district court ordered EPA to complete overdue assessments of 13 sources of hazardous air pollutants. In 2016, environmental groups sued the Agency over a failure to meet CAA requirements that…
The Ninth Circuit rejected challenges to EPA's interpretation of the Tribal Authority Rule under the CAA in a case concerning a coal-fired power plant on Navajo land. In 2013, in response to…
A district court denied a winery's motion to strike claims by EPA under CERCLA, the CAA, and other statutes in connection with a release of ammonia that claimed the life of one worker. In…
A district court denied EPA’s request for a five-year extension to review hazardous emissions standards under the CAA covering 20 different industries. Plaintiffs brought suit to compel EPA to…
A district court granted EPA's request for an extended deadline to respond to two petitions filed by an environmental group concerning the issuance of two CAA title V operating permits. EPA…
A district court granted EPA's request for an extended deadline to respond to two petitions filed by an environmental group concerning the issuance of two CAA title V operating permits. EPA…
A district court granted summary judgment in EPA's favor against an engine maker for introducing on-highway engines into commerce without certification, in violation of the CAA. The Act…