A district court dismissed a nonprofit group's lawsuit seeking to halt EPA studies that expose humans to fine particulate matter. The challenged EPA conduct does not constitute final agency action. EPA's alleged failure to comply with an agency rule does not constitute "agency action". And even if i...

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 Federal Circuit reversed and remanded a lower court decision dismissing a developer's Fifth Amendment takings claim against the U.S. Army Corps of Engineers for denying its application for a CWA §404 wetlands fill permit. The property is located on a barrier island of Florida, much of which is ...

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...