(HC) A compound made up of hydrogen and carbon (e.g., gasoline , petroleum products, etc.). Hydrocarbons are also found when gasoline is burned in an engine and thus produce visible smog even though hydrocarbons make up only 0.1% of emissions.
HYDROCARBON
Meaning of HYDROCARBON in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012