The influential German magazine Spiegel isn't impressed with the energy balance presented by the luxurious BMW Hydrogen 7. Claiming the vehicle will "put more strain on the environment than a heavy diesel truck," the magazine pointed out the car requires 50 liters of hydrogen to drive the same distance as 13.9 liters, or 3.7 gallons, of gasoline. Then the magazine went into the energy and money required to produce the currently scarce supplies of hydrogen. BMW is one of the few companies experimenting with hydrogen in an internal combustion engine. Ford has a small program with a V10 engine in an airport transport bus, but BMW is tempting premium consumers with the technology. Early buyers are celebrities but BMW won't divulge any names.

[Source: Christian Wust/Spiegel]

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