Via
GCC:
Tufts University has developed an electromagnetic shock absorber that apparently has some really good energy generating potential:
Quote:
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At the SAE Government/Industry Meeting in Washington in 2001, Goldner, Zerigian and J.R. Hull from Argonne presented a paper estimating that the percentage of recoverable power/energy for a 2,500 lb vehicle that employs four optimized design regenerative magnetic shock absorbers and whose average speed is 20 meters/s (45 mph) on a typical US highway is likely to be between 20% and 70%.
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They're claiming that this 2500 lb vehicle can generate an average output of 1-6 kW "traveling at relatively moderate speeds on typical roads encountered under normal urban driving conditions."
Source:
Green Car Congress: Electric Truck Exclusively Options Regenerative Magnetic Shock Absorber Technology from Tufts
SAE paper:
http://www.osti.gov/bridge/servlets/...ive/771018.pdf