D.C. Circuit’s biofuels mandate ruling

The D.C. Circuit issued an opinion last Friday in American Petroleum Institute v. EPA, concerning EPA’s biofuels mandate.  (N.Y. Times; slip opinion).  The part of the mandate at issue required refiners to incorporate higher levels of cellosic fuel into transportation fuel.  Cellosic biofuel is in the class of “advanced biofuels” that could actually offset greenhouse gas [...]