Tag Archives: “Natural Resources Defense Council v. EPA”

Cement Kiln Operators Better Hope that Their Control Technology Works: D.C. Circuit Vacates EPA’s Affirmative Defense Rule

Last week was hazardous air pollutant regulation week at the D.C. Circuit Court of Appeals. First, as we reported, the Court affirmed EPA’s mercury air toxics rule, determining that EPA need not take cost into account in promulgating rules for electric generating units (EGUs) under § 112(n) of the CAA. On Friday, the Court affirmed the substance of EPA’s revised hazardous air pollutant rules for cement kilns,… More