coal

Coal - Wikipedia, the free encyclopedia

Coal (from the Old English term col, which has meant "mineral of fossilized carbon" since the 13th century) is a combustible black or brownish-black sedimentary rock ...

Coal | Department of Energy

Coal is the largest domestically produced source of energy in America and is used to generate a significant amount of our nation’s electricity.

Coal | Clean Energy | US EPA

Electricity from Coal. Coal is a fossil fuel formed from the decomposition of organic materials that have been subjected to geologic heat and pressure over millions ...

Coal - U.S. Energy Information Administration...

Energy Information Administration - EIA - Official Energy Statistics from the U.S. Government

Coal News - Coal Mining, Investment and Price...

Coal mining, investment and price news from MINING.com. The latest news on coal mines and properties, mining companies and coal prices.

Coal: Anthracite, Bituminous, Coke, Pictures,...

What is Coal? Coal is an organic sedimentary rock that forms from the accumulation and preservation of plant materials, usually in a swamp environment.

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