free-burning coal
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coal utilization — Introduction combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… … Universalium
Coal Creek War — A drawing from Harper s Weekly showing Coal Creek miners firing on Fort Anderson in 1892 … Wikipedia
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
Free energy suppression — is a conspiracy theory that claims that advanced technology that would reshape current electrical generation methods is being suppressed by special interest groups. These groups are usually related to the oil industry, to whom current energy… … Wikipedia
coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… … Universalium
Coal gas — Towngas redirects here. For the company in Hong Kong trading as Towngas , see The Hong Kong and China Gas Company Limited. See also: Coal gasification and Coal seam gas Coal gas (also town gas and illumination gas) is a flammable gaseous… … Wikipedia
coal — I. noun Usage: often attributive Etymology: Middle English col, from Old English; akin to Old High German & Old Norse kol burning ember, Middle Irish gúal coal Date: before 12th century 1. a piece of glowing carbon or charred wood ; ember 2.… … New Collegiate Dictionary
Clean coal — Historically[1] used to refer to technologies for reducing emissions of ash, sulfur, and heavy metals from coal combustion; the term is now commonly used to refer to carbon capture and storage (CCS) technology. Clean coal is an umbrella term used … Wikipedia
bituminous coal — a mineral coal that contains volatile hydrocarbons and tarry matter and burns with a yellow, smoky flame; soft coal. [1875 80] * * * or soft coal Most abundant form of coal. It is dark brown to black and has a relatively high heat value. Widely… … Universalium
The Coal Question — Infobox Book | name = The Coal Question; An Inquiry Concerning the Progress of the Nation, and the Probable Exhaustion of Our Coal Mines image caption = Graph included in the treatise author = William Stanley Jevons translator = illustrator =… … Wikipedia
Bituminous Coal Strike of 1977–1978 — The Bituminous Coal Strike of 1977–1978 was a 110 day national coal strike in the United States led by the United Mine Workers of America, AFL CIO. It began December 6, 1977, and ended on March 19, 1978. It is generally considered a successful… … Wikipedia
