Concerns make coal future unclear

WASHINGTON – Coal-producing states that supply nearly half of the nation’s electricity are feeling squeezed as efforts to combat global warming outpace technology needed to make the nation’s most abundant fossil fuel burn more cleanly.

In 2007, proposals for 59 coal plants were scrapped in 24 states, either by state regulators concerned about the effects of carbon dioxide emissions or by power companies worried about the future costs of pollution, according to data from the Sierra Club.

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http://www.billingsgazette.net/articles/2008/03/16/news/wyoming/28-coal.txt