What could a driver do in order to avoid excessive exhaust pollution from their vehicle?

  1. Drive a diesel powered vehicle.
  2. Have the vehicle's air filters changed regularly.
  3. Drive at a higher speed in order to reduce the time spent on the road.
  4. Use a fuel additive to increase the fuel octane rating.

Correct Answer

Have the vehicle's air filters changed regularly.

Explanation: Drivers should have their vehicle serviced regularly in accordance with the manufacturers guidelines. A vehicle with a dirty air filter uses more fuel and creates more exhaust pollution. Air filters should be changed as part of normal servicing. If a vehicle is used in dusty conditions; the air filter may need to be changed more often. More information is available in the vehicle owners handbook.

Practice more questions for free Browse All Questions Take a Mock Test