The 100MPG Biodiesel-Powered Motorcycle
by Justin Thomas, Virginia 
on 10.22.07
This is a biodiesel-powered motorcycle created by students in Adelaide, Australia. The "BioBike" gets around 100 mpg while burning biodiesel. It was built for the 2007 Panasonic World Solar Challenge, which got underway yesterday in Australia. In this event, 40 teams from across the globe compete in the 3000 kilometer race from Darwin to Adelaide in Australia. Motorcycles with diesel engines are rarely seen because diesel engines generally require heavier engine-casings. The BioBike, however, has an innovative diesel engine that has been optimized for a bike.
The students say that the bike can be constructed at a cost equivalent to a conventional motorcycle. There are no plans to produce a commercial version of the bike, but several companies in Asia have expressed interest.
See also: Diesel Motorbike Speed Record Smashed and Diesel Motorcycle Update (from Europe)
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What about an Indian 200 mpg bike that is unfortunately no longer produced because of non-co2 emissions issues?
http://en.wikipedia.org/wiki/Diesel_motorcycle#Royal_Enfield
Using bio-diesel may have reduced these emissions - what a shame those bikes are off the market.
Somehow I knew that this wouldn't be available in the States. I always feel ashamed when I see a great diesel-powered mode of transportation. The US just doesn't get these.