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Liquid hydrogen could be future fuel

(CNN) -- Will the car of the future run on rocket fuel? Liquid hydrogen is nearly limitless but potentially dangerous.

Is it the fuel we'll have to turn to when all the oil is gone? Officials of the German auto giant BMW say they believe it is, and the company is going on a road trip to sell the world on that idea.

 More from CNN Technology Correspondent Rick Lockridge.








RELATED SITES:
• BMW
• BMW (Germany)

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