Like robotic butlers and good-tasting soy milk, fuel-cell-powered cars seem always to be just over the horizon. These days, an environmentally conscious motorist can walk into a Toyota or Honda dealer and snap up an efficient gasoline-electric hybrid, but the omega point of green driving—the pollution-free hydrogen fuel cell vehicle—is so elusive that one wonders if it will ever become tangible. Why should we believe these things are the future if we can't take them out for a spin now?
Toyota's fuel-cell-powered FCHV-4 accelerates quickly, thanks to a boost from a conventional battery.
