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Rio Tinto Consider Offering U.S Coal-Mine Unit


Rio Tinto Group, the world’s third- largest mining company, is considering an initial public offering for its U.S. coal unit after failing to find a buyer for the business, said a person familiar with the situation.
Rio was close to a deal with Alpha Natural Resources Inc., said two people who declined to be identified because [...]

Coal use grows despite warming worries


Almost nonstop, gargantuan 145-ton trucks rumble through China’s biggest open-pit coal mine, sending up clouds of soot as they dump their loads into mechanized sorters.
The black treasure has transformed this once-isolated crossroads nestled in the sand-sculpted ravines of Inner Mongolia into a bleak boomtown of nearly 300,000 people. Day and night, long and dusty trains [...]