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0Dirigo three-wheeler now up to 99 mpg, wood panels look good 1243108860
Dirigo - Click above for an image galleryOne of the cars participating in the One Gallon Challenge is the Dirigo three wheeler. Built by Bill Buchholz, the Dirigo is right now tantalizingly close to the 100 mpg goal of the One Gallon Challenge (and the Automotive X Prize, of course). Buchholz had ...
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