Sierra Club challenged as insufficient the permit limits for greenhouse gases (GHGs) imposed by EPA in a permit for a new natural gas-fired power plant issued for the La Paloma Energy Center. In re: La Paloma Energy Center.  On March 14, EPA’s Environmental Appeals Board (EAB) rejected Sierra Club’s challenge and affirmed EPA’s use of a menu of GHG permit limits for the permittee to choose from, depending on the turbine model selected by the permittee. Rather than set a single permit limit based upon the best available control technology (BACT), EPA allowed the permittee to choose its GHG limit… Read more