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Portable Generator Harnesses Energy From Your Bike


Yesterday we took a look at the energy-harvesting bionic knee brace. Continuing with this trend of human movement-induced energy production, designer Deco Goodman has created the Commuter Cyclist’s Sustainable Energy Source. The device, which is located in the rear tail-light assembly, captures energy generated in the seat post spring and the brakes during movement.

Goodman’s design uses a tower of piezoelectric chips as shock absorbers. When jostled, the chips generate electricity and charge the portable storage unit attached to the bike.

Unfortunately, Goodman doesn’t provide details on the amount of energy created by his device, though it is not unreasonable to think that it would be enough to partially power an iPod or cell phone. And since the device was created as part of an Infrastructure Design Class this past year, we probably won’t see it on the market anytime soon. Here’s hoping some enterprising manufacturer contacts Goodman and gets this out on store shelves.

Photo Credit: Deco Goodman


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Written By

was formerly the editor of CleanTechnica and is a senior editor at Co.Exist. She has contributed to SF Weekly, Popular Science, Inhabitat, Greenbiz, NBC Bay Area, GOOD Magazine, and more. A graduate of Vassar College, she has previously worked in publishing, organic farming, documentary film, and newspaper journalism. Her interests include permaculture, hiking, skiing, music, relocalization, and cob (the building material). She currently resides in San Francisco, CA.


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