The D.C. Circuit vacated EPA's 2012 projection of cellulosic biofuel production under the renewable fuel standard (RFS) program. As part of the RFS program, CAA §211(o)(7)(D)(i) requires EPA to determine the "projected volume of cellulosic biofuel production" for each calendar year based on an esti...

The Second Circuit affirmed in part and vacated in part a lower court's grant of summary judgment in favor of the NRC in a case challenging its grant of an exemption to the Indian Point nuclear power plant from compliance with certain fire safety regulations. Environmental and citizens groups filed ...

The D.C. Circuit dismissed a road building association's lawsuit challenging EPA regulations for nonroad engines and vehicles. The regulations pertain to CAA §209(e), which preempts certain state regulation of nonroad engines. The association petitioned EPA to amend those regulations to broaden the...

The D.C. Circuit ordered EPA to repromulgate two final rules it issued under the CAA concerning the implementation of the NAAQS for fine particulate matter (PM). Environmental groups challenged EPA's decision to issue the rules pursuant to the general implementation provisions of Subpart 1 of Part D...