By Bill Wolfe
The Courier-Journal
A large, coal-fired power plant like Louisville Gas & Electric Co.’s 1,470-megawatt Mill Creek plant in southwestern Jefferson County can burn millions of tons of fuel a year — and leave behind hundreds of thousands of tons of ash that many plants flush into a sediment pond or haul to a landfill.
The challenge for Charah, a Louisville coal-waste management company: Turn that ash into cash.
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