Last week, the U.S. Circuit Court of Appeals for the District of Columbia rejected an attempt by industry and states to block EPA from implementing their new greenhouse gas regulations, which are set to begin on January 2, 2011. In a short, per curiam opinion, the court held that petitioners (industry and states) had not met the "stringent standards" required for a stay of the regulations. As a result of the court's ruling, the EPA will be able to begin implementation of new greenhouse gas regulations on cars, large facilities (coal fired power plants), light duty trucks, and oil refineries and other factories. The only thing standing in the EPA’s way now is the possibility of congressional action; however, the chance of that occurring before January 2 is slim. The court's ruling does not determine whether the regulations are legal under the Clean Air Act, and that ruling is not likely to come any time soon.