synfuel

(sinfyo̵̅o̅′əl)

noun

a fuel, usually produced by making oil or gas from coal or by making methane from plant cellulose, used as a substitute as for petroleum or natural gas

Origin: syn(thetic) + fuel

See synfuel in American Heritage Dictionary 4

noun
A liquid or gaseous fuel derived from coal, shale, or tar sand, or obtained by fermentation of certain substances, such as grain.

Origin:

Origin: syn(thetic)

Origin: + fuel

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