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EPA Coal Plant Emissions Limits Challenged by 12 States

A dozen states led by West Virginia sued the U.S. Environmental Protection Agency to block a proposed rule that would limit carbon dioxide emissions from coal-fired power plants.

The states said a U.S. Supreme Court ruling prohibits the EPA from issuing power-plant rules under one section of the Clean Air Act, known as 111(d), when it has already regulated them under a separate section. The agency previously used the act to regulate hazardous air pollutants in 2012, according to the filing.