Compressed hydrogen takes up a lot of space, but the FCX Clarity still manages more than 13 cubic feet of trunk space compared with about 6 cubic feet in the Honda Civic GX, which is powered by compressed natural gas.
That the vehicle was designed from the beginning as a fuel-cell powered car allowed enough design flexibility to maximize its interior and cargo space.
NEXT: Fueling stations
Last updated June 16 2008: 10:04 PM ET