Document
January 18, 2017
In Michigan v. EPA, 135 S. Ct. 2699 (2015), the Supreme Court held that EPA must consider cost when determining whether it is appropriate and necessary to regulate hazardous air pollutant emissions from power plants under Clean Air Act (“CAA”) section 112(n)(1)(A), 42 U.S.C. § 7412(n)(1)(A). Michigan, 135 S. Ct. at 2712.