Coal is largely composed of carbon, hydrogen and oxygen, with varying amounts of carbon, sulfur, ash, and moisture content in the different types of coal mined in the United States. Figure
2 shows the use of the four major types (also called “ranks”) of coal produced in the United
States, with bituminous and subbituminous coal dominating electric power generation.
Coal is largely composed of carbon, hydrogen and oxygen, with varying amounts of carbon, sulfur, ash, and moisture content in the different types of coal mined in the United States. Figure2 shows the use of the four major types (also called “ranks”) of coal produced in the UnitedStates, with bituminous and subbituminous coal dominating electric power generation.
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