First Air Permit With GHG Limits Leaves Key BACT Issues Unresolved

The first power plant permit with federally enforceable best available control technology (BACT) limits for greenhouse gases (GHGs) leaves unanswered key questions on applying BACT to GHGs, including whether facilities should switch to cleaner fuel and whether a broader scope of efficiency measures should be considered, sources say. These questions could limit the precedent that some observers say the permit sets, particularly because EPA's Clean Air Act Advisory Committee (CAAAC) continues to wrangle over a slew of unresolved issues on...