The Collaborative International Dictionary
Carbureting
Carburet \Car"bu*ret\, v. t. [imp. & p. p. Carbureted or Carburetted (?); p. pr. & vb. n. Carbureting or Carburetting.] To combine or to impregnate with carbon, as by passing through or over a liquid hydrocarbon; to carbonize or carburize.
By carbureting the gas you may use poorer coal.
--Knight.
Wiktionary
carbureting
vb. (present participle of carburet English)