A giant excavator with sharp points on a rotating piece runs along a wall of solid coal and creates piles of ground-up coal beneath it in a tunnel with a low ceiling and artificial lighting, as people ...

China’s new coal fuel cell turns powder into power without smoke. See how this tech traps CO2 before it enters the atmosphere.

The country, along with India, is still building power stations that run on coal. Elsewhere, retirements of older plants have slowed. By Max Bearak Global capacity to generate power from coal, one of ...

A large section of the Fifth Estate, that world company of scientists, climbed the Allegheny Mountains to Pittsburgh last week. They knew soft coal, what it was and what could profitably be done with ...