At January’s Detroit Auto Show , Mercedes-Benz eagerly showed off its hydrogen-powered F-Cell car, vowing to prove the viability of fuel-cell vehicles by driving three of them around the world . And now, 18,641 total miles later, it’s completed that circumnavigation, arriving safely home at the company’s Stuttgart headquarters. Does this prove fuel-cells are ready for prime time? Well, the trip took 70 driving days to cover four continents, and the vehicles’ range topped out at just over 400 miles — in Kazahkstan. But M-B admits there are only 200 refilling stations worldwide; in most cases the F-Cells had to rely on a tag-along mobile refueling unit. The company hopes its demonstration will spur development in a refilling-station infrastructure: having a fuel-cell car you can’t easily refuel must feel like owning a flying DeLorean in 1885. To get the full breakdown, see the Mercedes-Benz PR after the break. Continue reading Mercedes-Benz completes hydrogen-powered F-Cell World Drive, but had to bring its own fuel Mercedes-Benz completes hydrogen-powered F-Cell World Drive, but had to bring its own fuel originally appeared on Engadget on Sat, 04 Jun 2011 17:03:00 EDT. Please see our terms for use of feeds . Permalink