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History
Coal gas
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Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system. It is produced when coal is heated strongly in the absence of air. Town gas is a more general term referring to manufactured gaseous fuels produced for sale to consumers and municipalities.
Gas Works Park, Seattle, preserves most of the equipment for making coal gas. This is the only such plant surviving in the United States.
Gas Works Park, Seattle, preserves most of the equipment for making coal gas. This is the only such plant surviving in the United States.
An illustration of typical polycyclic aromatic hydrocarbons. Source: NASA
An illustration of typical polycyclic aromatic hydrocarbons. Source: NASA
Mantles in their unused flat-packed form
Mantles in their unused flat-packed form
Coke oven at smokeless fuel plant, South Wales
Coke oven at smokeless fuel plant, South Wales
Fuel gas
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Fuel gas is one of a number of fuels that under ordinary conditions are gaseous. Most fuel gases are composed of hydrocarbons, hydrogen, carbon monoxide, or mixtures thereof. Such gases are sources of energy that can be readily transmitted and distributed through pipes.
Blue flame of fuel gas burners
Blue flame of fuel gas burners
19th-century style gas lights in New Orleans
19th-century style gas lights in New Orleans