19 Sep '11, 9am

Subway Train Wheels: The Next Power Source?

Subway Train Wheels: The Next Power Source?

The same principle is also used in regenerative braking , a feature that contributes to the excellent fuel economy found in most hybrid cars. With regenerative braking, instead of using brake pads and rotors to stop the car using friction, which generates heat, they use the wheels as generators. Magnets run through coils of wire attached to the car’s frame, so that instead of heat energy being transferred from the motion of the car, electrical energy is produced, which goes back into the battery where it can be used again to keep the car moving.

Full article: http://www.triplepundit.com/2011/09/subway-trains-next-po...

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Subway Online Order Deals

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