Waning global and domestic demand for U.S. coal has for the first time dropped it behind natural gas as the top source of U.S. electricity generation.
Morgan Brennan, NBC News: Nation
Tue, 07/14/2015 - 8:09am
Waning global and domestic demand for U.S. coal has for the first time dropped it behind natural gas as the top source of U.S. electricity generation.