The D.C. Circuit dismissed petitions challenging EPA's authorization of California regulations intended to reduce emissions of particulate matter and oxides of nitrogen from in-use nonroad diesel engines, ruling that venue was improper. A trucking company filed a petition for review of EPA's nonroad...

The Fourth Circuit granted EPA's petition for a writ of mandamus to preclude an energy company from deposing EPA Administrator Gina McCarthy in a lawsuit seeking to compel EPA to evaluate the CAA's impacts on jobs under §321(a). High-ranking government officials may not be deposed or called to test...

A district court dismissed a uranium company's lawsuit that the Atomic Energy Act (AEA) preempts a Virginia law that prohibits any state agency from accepting applications for a permit to mine uranium. The company filed suit against the governor, two cabinet members, and various officials affiliated...

A district court denied DOI's motion to dismiss an environmental group's lawsuit challenging OSM's determination that a surface mining permit could not be automatically terminated without first providing notice to the permit holder. SMCRA provides that certain mining permits will be terminated if th...

A district court dismissed environmental groups' CAA citizen suit against EPA for failing to respond to their 2011 petition concerning ammonia gas pollution. In 2011, the groups petitioned EPA asking it to find that ammonia gas pollution endangers the public health and welfare, designate ammonia as ...

The D.C. Circuit dismissed a truck association's lawsuit against EPA challenging California's tractor-trailer emission rules. The association argued that the state regulations impermissibly discriminate against out-of-state tractor trailers in violation of the dormant Commerce Clause. The associatio...