12,000 tons of Appalachian bituminous coal winds through Southwest Pennsylvania, on the way to a distant power plant. Consol Energy’s huge Bailey Mine loads a 120-car unit coal train every four hours. Each car, carrying 100 tons of coal, can supply a 500 megawatt coal-fired power plant for about 20 minutes. A modern power plant requires a trainload of coal every day to ensure uninterrupted operation and output.
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