Train Cars Recycle Kinetic Energy

A subway in Warsaw, Poland now features a system that captures the energy created by braking train cars for reuse elsewhere in the system.

Known as "regenerative braking", Earth & Industry Magazine explains that the generated energy is enough "to power a 60 watt light bulb for more than a week" each time a train car brakes.

It appears that Krakow is a step ahead of Warsaw, with a regenerative braking system currently in operation on a light-rail line.

Full Story: Train Recycles Braking Energy to Power other Trains

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