Intet manifold
Exhaust manifold
Catalyst converter
Fuel tank
Canister
Muffler
Catalytic converter
Exhaust gas regulator
In complete combustion
Pitting in the engine parts
Fungus in the cylinder walls
Corrosive Wear of engine parts
Hydro carbon
CO2
CO
NOX
Petrol engine
Diesel engine
LPG engine
CNG engine