The type that burns.
Anthracite has the highest energy
The type of coal that burns the most efficiently is anthracite coal.
Bituminous coal is the most common type of coal.
Peat is sometimes considered a type of coal-so surely it must be seen as the most common. There is a lot of bituminous ("soft") coal. Anthracite ("hard") coal, which produces less air pollution, is less common.
Anthracite
Anthracite has the highest energy
The type of coal that burns the most efficiently is anthracite coal.
Bituminous coal is the most common type of coal.
Bituminous coal, or soft coal, is the most common type of coal produced in the United States.
Coal that has become diamond.
Anthracite is the most metamorphosed type of coal (but still represents low-grade using only the more expensive anthracite coal in its passenger locomotives,
Good Coal, most likely black coal
Peat is sometimes considered a type of coal-so surely it must be seen as the most common. There is a lot of bituminous ("soft") coal. Anthracite ("hard") coal, which produces less air pollution, is less common.
Coal.
Anthracite
Natural Gas, Solar Energy, Wind Power. The best type of coal and the most energy efficient is the coal that's still buried in the ground... LEAVE IT THERE!! TJ Daniels poet
they are all desirable but the SS is the most desirable