Abstract: A vehicle engine idle reduction system that shuts off the engine when the vehicle's parking brake has been engaged for a period of time; including a fire truck engine reduction system that shuts off the fire truck's engine when the fire truck is not pumping water.

Abstract: A fire truck or rescue vehicle idle reduction system, including: a fire truck or rescue vehicle; an engine in the fire truck or rescue vehicle; a battery in the fire truck or rescue vehicle; an alternator connected to the engine for changing the battery; a generator in the fire truck or rescue vehicle; an alternator connected to the generator for charging the battery; a ventilation system in the fire truck or rescue vehicle, the ventilation system being powered by the battery; a lighting system in the fire truck or rescue vehicle, the lighting system being powered by the battery; a parking brake system in the rescue vehicle; a system for determining whether the parking brake is engaged; and a system for shutting off the engine and starting the generator when the parking brake is engaged.