carbon monxide
Smog
smog
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No, it is for noise only.
car exhaust fumes
A car pollutes by emitting fumes from the exhaust. The less efficient a car is, the worse the pollution is.
from smoke from car, train exhaust, smoke from refuse burning
catylitic converter
catalytic converter
part of it is exhaust (pollution) put into the air (environment) from a vehicle (car,truck,bus).
I think we just call it exhaust. However, environmentalists call it pollution or green house gas! : )
An exhaust system carries waste away from the car's engine. It helps reduce the amount of smoke and pollution that leaves the car and also reduces noise.