title: Combustion products related to engines and control devices: present nd future.
mesh_terms: D002248:Carbon Monoxide; D004738:Engineering; D006838:Hydrocarbons; D009569:Nitric Oxide; D001335:Vehicle Emissions / Q000517:prevention & control
chemical_list: D006838:Hydrocarbons; D001335:Vehicle Emissions; D009569:Nitric Oxide; D002248:Carbon Monoxide