For a reality check on America’s coal industry, consider how much a collection of Appalachian pits just sold for: nothing. That’s what Booth Energy Group’s Cambrian Coal Corp. paid up front for a Teco Energy Inc. unit that controls a collection of surface and underground mines, a company statement Monday shows. Teco said it may receive $60 million should coal prices reach “certain levels” over the next five years. (Coking coal is at a decade low. Futures are on track to fall for a record fifth straight year.) Bargain-basement coal deals are proliferating as producers bail out of an industry stuck in its worst ... (full story)