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HARRISBURG, Pa. (AP) - Pennsylvania's coal-fired power plants would have to cut mercury emissions by 90 percent within a decade under a plan that would make the state the first major coal producer with stricter mercury regulations than the federal government.
The proposal, which the administration of Gov. Ed Rendell planned to unveil in detail this week, would require approval from state and federal regulators.
Four other states regulate mercury emissions, but none of them produces more coal than Pennsylvania, the nation's fourth-largest coal producer after Wyoming, West Virginia and Kentucky.
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