A few things worry me, first off, the battery pack is way undersized, they state that you can charge the pack off the 100 amp alternator in 15 minutes... that would make a pack drained to 50% a 50 amp hour pack, way to small for most electric cars.
And the "secret" to making it work... a pulsed speed controller, only they are using mechanical produced pulses it sounds like, an Open ReVolt would be better, be more efficient and last longer.
Otherwise it's the same idea as the Ford F1 that is on Ebay right now and the same idea as Ben's hybrid Geo Metro.
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