Interesting discussion, but for me it points out the limited usefulness of the Shell Fuel Contest style competitons . The other posters are right that these "cars' " can be beaten by a fit bicyclist as far as achieving the speeds and going the actual total distance that these "cars " do in a competition. I wish that Shell and other major sponsors would go to a competition format like The Vetter Fuel Economy Challenge where the competition takes place on public roads at speeds that are safe and usefull and where there is a usefull cargo carrying requirement ( 4 filled paper grocery sacks in the Vetter Challenge). Competitions like the Vetter Challenge would demonstrate stimulate actual developments that would benifit real world motor vehicles rather than just be engineering exercises. my 2 cents worth
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