Hydrogen Fuel Needs Less Costly Technology
President Bush's proposal to speed up development of technology that uses hydrogen as fuel would reduce pollution and U.S. dependence on foreign oil, but only if significant cost and technology problems can be resolved.
Hydrogen, the world's most abundant chemical, produces electricity when combined with oxygen in the air but emits only water vapor as exhaust. The power systems that harness the electricity to operate motors are called fuel cells.
"With a new national commitment, our scientists and engineers will overcome obstacles to taking these cars from laboratory to showroom, so that the first car driven by a child born today could be powered by hydrogen and pollution-free," Mr. Bush said during his State of the Union address Tuesday night.
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