Emission Control System limits the amount of gas released from the fuel tank, carburetor, crankcase, and exhaust into the environment.
- The PCV (Positive Crankcase Ventilation is a system that sends fresh air through the crankcase to sweep out blowby and fuel vapor. The air then enters the engine where the pollutant from the crankcase have another chance to burn.
- The Evaporative emission control is a system that captures any fuel vapors coming from the fuel tank and floats bow in carbureted engines, which prevents the vapors from escaping into the atmosphere
- Exhaust emission control includes several systems, devices, and procedures. These components functionstogether to reduce pollutants in the exhaust has exited from the tailpipe.