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Coal
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. Coal is composed primarily of carbon along with variable quantities of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.
Industry: Energy
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Coal
Gross national product (GNP)
Energy; Coal
The total value of goods and services produced by the nation's economy before deduction of depreciation charges and other allowances for capital consumption. It includes the total purchases of goods ...
Gross withdrawals
Energy; Coal
Full well stream volume, including all natural gas plant liquid and nonhydrocarbon gases, but excluding lease condensate. Also includes amounts delivered as royalty payments or consumed in field ...
Gross working interest ownership basis
Energy; Coal
Gross working interest ownership is the respondent's working interest in a given property plus the proportionate share of any royalty interest, including overriding royalty interest, associated with ...
Fuel injection
Energy; Coal
A fuel delivery system whereby gasoline is pumped to one or more fuel injectors under high pressure.The fuel injectors are valves that, at the appropriate times, open to allow fuel to be sprayed or ...
Fuel purchase agreement
Energy; Coal
An agreement between a company and a fuel provider which stipulates that the company agrees to purchase its fuel from the fuel provider. If the company has acredit card for use at a fuel provider's ...
