Emitting nothing but water vapour, the Hydrogen 7 from BMW is billed as the world's first hydrogen-powered luxury car. That's full-sized, unlike many of the model hydrogen cars we've mentioned here previously. It can also run on gasoline, and gets 15 miles per gallon in city, 22 mpg on the highway. Accelerates from 0 to 100kph in 10 seconds and is limited electronically to 200kph. No word on price, but odds are that since it's limited edition anyhow, if you have to ask, you're better off with a Prius. [GT]
BMW unveils first hydrogen-powered luxury car
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