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.

1 minute read

November 27, 2011, 5:00 AM PST

By Tim Halbur


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.

Saturday, November 26, 2011 in Earth & Industry

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