(a) Police, fire or ambulance vehicles or boats while engaged in operational activities, including training activities, except where idling is substantially for the convenience of the operator of the vehicle or boat.
(b) Vehicles and boats assisting in an emergency activity.
(c) Ferry boats operated by the City of Toronto or the Toronto Harbour Commissioners providing service to the Toronto Islands, including the Toronto Island Airport.
(d) Boats not at anchor or tied to a dock.
(e) Mobile workshops while they are in the course of being used for their basic function.
(f) Vehicles or boats where idling is required to repair the vehicle or boat or to prepare a vehicle or boat for service.
(g) Armoured vehicles where a person remains inside the vehicle while guarding the contents of the vehicle or while the vehicle is being loaded or unloaded.
(h) Vehicles or boats required to remain motionless because of an emergency, traffic, weather conditions or mechanical difficulties over which the driver has no control.
(i) Vehicles or boats engaged in a parade or race or any other event authorized by Council.
(j) Transit vehicles while passengers are embarking or disembarking en route or in terminals.
(k) Transit vehicles while at a layover or stopover location except where idling is substantially for the convenience of the operator of the vehicle.
(l) Vehicles transporting a person where a medical doctor certifies in writing that for medical reasons a person in a vehicle requires that temperature or humidity be maintained within a certain range.
(m) Vehicles or boats when the ambient temperature inside a vehicle or boat is:
