Power plant emissions of sulfur dioxide and nitrogen oxides continue to decline in 2012

Power plant emissions of sulfur dioxide and nitrogen oxides continue to decline in 2012Source:U.S. Environmental Protection Agency, Clean Air Markets Division.Emissionsof sulfur dioxide (SO2) and nitrogen oxides (NOx) from the electric power sector in 2012 declined to their lowest level since the passage of the Clean Air Act Amendments of 1990. The decline in emissions is due primarily to an