On Monday, District Judge Rodney Sippel ordered sweeping injunctive relief against Ameren Missouri, intended to remedy violations of PSD requirements he had previously identified resulting from upgrades to the Ameren Missouri...more
Last Monday, in a comprehensive, 189-page opinion, Judge Rodney Sippel ruled that Ameren Missouri had violated EPA’s PSD regulations by failing to get permits for upgrades in 2007 and 2010 at its Rush Island facility. As I...more
On December 19, 2014 the Environmental Protection Agency (EPA) issued two memoranda outlining the Agency’s planned response to the Supreme Court’s June 2014 decision in Utility Air Regulatory Group (UARG) v. Environmental...more
Last week, EPA filed a petition for rehearing in United States v. Midwest Generation, LLC, 720 F.3d 644 (7th Cir. July 8, 2013) (filed September 3). This petition, which argues that the government is not barred by the...more
Last Friday, I posted about the limits to EPA’s cooperation with states in the name of “cooperative federalism” under the Clean Air Act. On the same day, in Texas v. EPA, the D.C. Circuit Court of Appeals only emphasized my...more
In Sierra Club v. EPA, issued today, The Court of Appeals for the District of Columbia rejected EPA’s rules governing “significant impact levels” and “significant monitoring concentrations” for determining PSD permitting...more