Steep decline in coal use in the American power sector has drastically reduced emissions. Coal-fired generation peaked at 2,026 million MWh in 2007 and dropped to less than 1,200 million MWh today, according to the U.S. Energy Information Administration (EIA). As a consequence, energy-related emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) fell by 88% and 76%, respectively.
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