US Department of Energy
U.s. Department of Energy: Coal: Our Most Abundant Fuel
The U.S. has enough coal to last for the next 200-300 years. So why are we not using more of it? This article describes the different types or "ranks" of coal, the history, and the problems with burning coal for energy.
US Department of Energy
Department of Energy: Cleaning Up Coal
Find out why coal causes pollution and several techniques that can be used to clean it up.