In which cases is it allowed to let your vehicle idling for more than three consecutive minutes?

• When a vehicle is stopped in traffic , being repaired or waiting to be inspected
• When emergency vehicles are at work in emergency situations
• When buses are discharging or picking up passengers
• All of the above
  Explanation:

  "Motorists are prohibited from allowing their motor vehicle to idle for more than three consecutive minutes. Among the exceptions for this prohibition include motor vehicles stopped in traffic, motor vehicles being repaired, motor vehicles waiting to be inspected, emergency vehicles in emergency situations, and buses while discharging or picking up passengers."