pure coal

pure coal

[′pyu̇r ¦kōl]
(geology)
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References in periodicals archive ?
Coal India was rated as the biggest pure coal mining company in the world.
The occasional mention of crude oil and frac sand may seem curious to the pure coal shipper, but to the shipper of northern PRB coal, the number of unit trains carrying these products has been growing rapidly.
The top inch of turf was pure coal dust,'' writes Frank.
It is certainly better than burning pure coal but coal mine methane is by no means a renewable energy source,' Greenpeace's senior research scientist Paul Johnston said.