Question 1042 from category Know Your Vehicle for Israeli license grades B, A, 1, C1

How can we reduce air pollution caused by the vehicle’s gas emissions?

  1. By washing the vehicle’s fuel tank once a month.
  2. By keeping the engine and its surroundings clean.
  3. It is impossible to reduce air pollution. It is a constant factor in the vehicle.
  4. By regular maintenance of the vehicle’s engine and other systems.