The U.S. Environmental Protection Agency is developing a number of rules that will impact NRG and our industry, including the Clean Air Transport Rule, which would regulate sulfur dioxide and nitrogen oxides from power plants in rule, which would regulate certain hazardous air pollutants by requiring maximum achievable control technology at coal- and oil-fueled power plants; the 316(b) rule under the Clean Water Act, which would regulate water intake from power plants to limit impacts on aquatic life; and the Coal Combustion Residue rule, which provides standards for coal combustion byproducts such as fly ash.