The BMW Hydrogen 7 is a car capable of running on hydrogen fuel or gasoline. Emissions in hydrogen mode are almost pure water vapor. The Hydrogen 7 only available for lease at this time.

Comparatively trivial issues include a decimation of space in the back and boot to make way for both tanks, the fact it will travel only 125 miles on its hydrogen tank, and that if you leave it standing too long the hydrogen, which needs to be maintained at -253C to keep it liquid, will all boil off." -Times OnlineTimes Online: BMW Hydrogen 7 My chance to step on the gas (November 19, 2006)

"From the driver seat, this is definitely still a BMW. The H-7 is smooth, polished, poised on the road, and still pretty spritely." -Edmunds.comEdmunds.com: We sample a brave experiment to burn hydrogen in a real car (November 21, 2006)

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