The D.C. Circuit upheld EPA's renewable fuels standard (RFS) for 2013. Because EPA reduced the cellulosic ethanol blending requirement for 2013 but not the total renewable fuel volume, petroleum refiners filed suit arguing the rule should be vacated. The court disagreed. The CAA provides that if EPA...

The U.S. Supreme Court reversed and remanded a lower court decision vacating EPA's transport rule, also known as the Cross-State Air Pollution Rule, which sets sulfur dioxide and nitrogen oxides emissions limits for 28 upwind states based on those states' contributions to downwind states' air qualit...