Navajo-area coal plants weigh impact of EPA rules

From the Farmington Times - FLAGSTAFF, Ariz. (AP) — Arizona's largest utility says federal rules aimed at limiting mercury and other toxic pollutants from coal-fired power plants factored into a plan to shut down three of five generating units. The U.S. Environmental Protection Agency is slated to announce the new regulations that will impact hundreds of plants that lack advanced pollution controls. Arizona Public Service says it will retire three units at Four Corners Power Plant in northwestern New Mexico in 2013, contingent on regulatory approval. The remaining two units have so-called bag houses that capture mercury emissions, but APS is planning further upgrades The plant is one of three on or near the Navajo reservation. The San Juan Generating Station says it's ready to meet the rules, while Navajo Generating Station says EPA regulations have presented some challenges. Read more
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