The U.S. Environmental Protection Agency proposed a rule this week that would reduce the amount of air pollution emitted by power plants that crosses state lines.
Under the Clean Air Act, EPA is responsible for the management of interstate transport of air pollution. Sulfur dioxide (SO2) and nitrogen oxide (NOx) emissions from upwind power plants have made it challenging for some downwind states to meet federal clean air standards.
By 2014, the transport rule, in tandem with other state and federal regulations, would decrease SO2 emissions by 71 percent over 2005 levels, and NOx emissions would be reduced by 52 percent in 31 states and the District of Columbia.
“This rule is designed to cut pollution that spreads hundreds of miles and has enormous negative impacts on millions of Americans,” said EPA Administrator Lisa P. Jackson. “We’re working to limit pollution at its source, rather than waiting for it to move across the country. The reductions we’re proposing will save billions in health costs, help increase American educational and economic productivity, and – most importantly – save lives.”
When final, the transport rule will replace the 2005 Clean Air Interstate Rule, which the U.S. Court of Appeals for the D.C. Circuit ordered EPA to revise in 2008. Regulations would become effective January 1, 2012.
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