What Are Emissions?
Automobile emissions refer to the general term of automobile exhaust emissions, evaporation emissions, and crankcase emissions. Abbreviation for harmful substances discharged and discharged by a car. Exhaust emissions refer to CO, HC, Ncx, sa, pb compounds, soot particles, etc. in the exhaust from the exhaust pipe of an engine. Evaporative emissions refer to the harmful oil and gas spilled from the evaporation of fuel tanks, fuel supply systems, and lubrication systems, and solvent vapors of automotive coatings. Crankcase emissions refer to harmful substances such as HaCCXNOnSa spilled from crankcase ventilation holes. [1]