On Friday, the D.C. Circuit reinstated the affirmative defense for emergency situations resulting in exceedances of emission limitations in Clean Air Act Title V operating permits. That defense, available in the Title V...more
On Wednesday, EPA published certain amendments to the Mercury and Air Toxics Standards in the Federal Register. EPA describes most of the changes as “technical corrections,” but there is one important substantive change. ...more
On June 29, 2015, the Supreme Court cast serious doubt upon the future of the Mercury and Air Toxics Standards (“MATS”) by finding that the Environmental Protection Agency (“EPA”) failed to adequately consider the costs of...more