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But compared to batteries they're very, very cheap. Lead-acid batteries can do something that air-tanks might not do as well: provide ballast. http://www.goog
by DabAsteroid 18y ago
But compared to batteries they're very, very cheap.
Lead-acid batteries can do something that air-tanks might not do as well: provide ballast.
http://www.google.com/search?q=commuter+cars+ballasted+patent http://www.google.com/search?q=commuter+cars+ballasted+paten...
- DaniFong 18y agoEmpirically, when you improve the weight of a car by a factor of 10% it improves the fuel usage by a factor of nearly 8%. Ballast is an expensive way to get stability.