Vehicles must not travel on roads emitting...

A)noise of any kind.
B)gases from the exhaust pipe, because it pollutes.
C)noise levels above the established limits.Correct
Vehicles must not travel emitting electromagnetic interference, noise, gases, smoke, and other pollutants above the established limits. In general, if they emit noise, smoke, or gases at levels above those permitted, officers may, in addition to applying the corresponding penalty, immobilise the vehicle.