A British company that unveiled a fuel cell motorcycle earlier this year has announced that it hopes to have the zero-emission vehicles for sale by 2006 at a price of $6,000. Meeting that goal ...

Innovation isn't always pretty, as two Pennsylvania college kids have shown with a homemade hydrogen-fuel-cell motorcycle that is ugly and slow but still pretty cool. Alex Bell and Andres Pacheco ...

ENV, the company says, is the world's first purpose-built fuel-cell motorcycle. (The name is short for "emissions neutral vehicle," as well as being a marketing hook.) A 1-kilowatt fuel cell ...