Late last week, Senate and House Democrats piled more pressure on EPA’s efforts to regulate greenhouse gases under existing Clean Air Act authority. Senator Rockefeller and Representatives Rahall, Boucher, and Mohollan introduced companion House and Senate bills to preclude EPA regulation of stationary source GHG emissions for two years. Unlike the resolution sponsored by Senator Murkowski, which would simply overturn the endangerment finding and thus preclude all GHG regulation,… More