The coal-fired San Juan Generating Station near Farmington, N.M. The plant stands ready to meet the rules, but the new EPA standards did play a role in Arizona's largest utility planning to shutter three generators at a coal-fired power plant it runs on the Navajo Nation.
The coal-fired San Juan Generating Station near Farmington, N.M. The plant stands ready to meet the rules, but the new EPA standards did play a role in Arizona's largest utility planning to shutter three generators at a coal-fired power plant it runs on the Navajo Nation. AP Photo/Susan Montoya Bryan
The coal-fired San Juan Generating Station near Farmington, N.M. The plant stands ready to meet the rules, but the new EPA standards did play a role in Arizona's largest utility planning to shutter three generators at a coal-fired power plant it runs on the Navajo Nation. AP Photo/Susan Montoya Bryan

EPA announces historic rule to clean or shut coal-burning power plants

December 21, 2011 7:15 PM

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