National

May 15, 2007 3:00 AM

Hydrogen cars may be a long time coming

President Bushs goal of putting the next generation of Americans into cars fueled by hydrogen is slipping away. Technology, economics and human behavior are proving to be formidable obstacles to the presidents dream of using hydrogen the most abundant element in the universe to reduce Americas dependence on gasoline. The administrations plan is to combine hydrogen with oxygen in a fuel cell, a boxy device that takes in those elements and puts out water, heat and electricity. The electricity can power an electric motor or recharge a battery to drive a car.

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