Power Plant Upgrade

State and local leaders break ground at a Louisville, Ky., power plant on Nov. 29, 2012. The Mill Creek Generating Station is receiving a nearly $1 billion upgrade of its pollution controls that will allow it to continue burning coal as tougher federal air regulations go into effect in 2016. (AP Photo/Dylan Lovan)
State and local leaders break ground at a Louisville, Ky., power plant on Nov. 29, 2012. The Mill Creek Generating Station is receiving a nearly $1 billion upgrade of its pollution controls that will allow it to continue burning coal as tougher federal air regulations go into effect in 2016. (AP Photo/Dylan Lovan)

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