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Sub-bituminous coal

An American rancher holding a lump of sub-bituminous coal

Sub-bituminous coal is a lower grade of coal that contains 35–45% carbon. The properties of this type are between those of lignite, the lowest grade of coal, and those of bituminous coal, the second-highest grade of coal.[1] Sub-bituminous coal is primarily used as a fuel for steam-electric power generation.

  1. ^ "Coal explained". Energy Information Administration. Retrieved 2020-09-26.

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