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...