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Dan Millis

TEP calls early halt to coal burning in Tucson

TEP calls early halt to coal burning in Tucson

Sen. John McCain, in Tucson, accuses the EPA of regulatory abuse.

August 13, 2015 6:00 pm Photos

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TEP coal-to-gas moves driven by environment, cost

Tucson Electric Power Co. is swapping a chunk of its coal-fired power generation for cleaner-burning natural gas.

September 15, 2013 12:00 amLoading…

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