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15Anti-idle technology could be huge savings for police forces

Dodge Charger police car – Click above for high-res image gallery

15Idling vs. shutting the engine down: how many seconds make a difference?

It's easy to calculate that a car with the engine running but not moving is getting zero mpg. New technologies allow some cars to take control of the on/off switch from the driver when stopped. Whatever their name - stop-start, micro hybrid - automatic systems that shut down a vehicle's engine when the car is at rest help boost efficiency. Automakers - especially in Europe - are happily introducing the technology to vehicles like the Fiat 500 to the Audi A4 and A5 to Ford vehicles that will get

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