Carnegie Mellon's Peter Adams receives EPA rese...( fleet of new coal-powered plants is su...)

Carnegie Mellon's Peter Adams receives EPA research grant

fleet of new coal-powered plants is supposed to be coming over the horizon. As recently as May, U.S. power companies announced intentions to build as many as 150 new generating plants fueled by coal, adding to the 645 units that produce about half the nations electricity. But these coal-fired electric plants collectively account for 67 percent of all the sulfur dioxide emissions in the U.S., which is a major precursor of particulate matter. The nations top 50 coal-fired power plants averaged 21.1 pounds of sulfur dioxide per megawatt-hour, compared to only one pound per megawatt hour for plants equipped with state-of-the art scrubbers.

Our previous research showed that climate change will make photochemical smog pollution worse. This means we need to cut pollution emissions more than if there were no climate change. In our future research, we will see if the same is true for particulate matter and mercury, Adams said.

Contact: Chriss Swaney
swaney@andrew.cmu.edu
412-268-5776
Carnegie Mellon University
8-Aug-2007

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