has part derives from acrolein water ammonia hydrogen sulfide methane carbon dioxide benzene formaldehyde carbon monoxide toluene methanol hydrogen cyanide sulfur dioxide inorganic sulfate salt nitrous acid formic acid lead molecular entity polycyclic hydrocarbon platinum molecular entity nitrogen oxide buta-1,3-diene nitric acid inorganic nitrate salt heterocyclic compound particulate environmental material gaseous environmental material gasoline gasoline exhaust 2020-08-03T17:44:42Z 2021-02-12T15:10:14.018Z A gas which results from the complete or incomplete combustion of gasoline fuel.