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To: gg cox who wrote (6273)5/11/2006 12:49:21 PM
From: Maurice Winn  Respond to of 219783
 
All electric would be nice, but the batteries are a problem at present. Right now, lean burn engines can be done. And could have been done decades ago with the right incentives.

Eventually, I imagine that all-electric, with four moving parts [the wheels] will be the way to go. Perhaps with no batteries [or just a small one for intermittent use], supplied via superconductors and maybe levitated and propelled by linear motors to save on tyres and noise.

Humans weigh under 100 kg [for most people] and it doesn't take 2000 kg of vehicle to contain, protect and move 100 kg of fragile, wet chemistry.

Small tubes could be built, with partial vacuum to reduce drag, or troughs to keep costs down if drag isn't a big deal, which it wouldn't be at low in-city speeds. Cross country tubes would be better. Safer too.

Mqurice