Salt Lake Tribune: The turbines of Utah's oldest coal-fired power plant have stopped spinning.
Rocky Mountain Power took its 60-year-old Carbon Power Plant offline Wednesday, one day before more strict federal mercury-pollution rules went into effect.
The plant's age and location in a tight canyon a few miles up the Price River from Helper made retrofitting the two-unit, 172-megawatt station a losing proposition, according to company spokesman Dave Eskelsen.
The utility company will spend the next two years...