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 noted when Judge Sippel denied cross-motions for summary judgment, the result is not really a surprise.
Moreover, Judge Sippel’s decision is not based on any extreme reading of the law. … More