Bush calls for fuel cells, change of tune comes too late?

WEST SACRAMENTO, CALIF.
President George W. Bush had an Earth Day message for drivers worried about soaring gasoline prices: The nation must move more quickly toward widespread use of hydrogen-powered cars.Running vehicles on hydrogen fuel cells would help reduce oil consumption, as the technology does not require gasoline. It also pollutes far less, as the cells emit only water.

But the technology is far from the marketplace - the cells are prohibitively expensive and would require a new distribution system to replace today's gas stations. Bush is proposing to spend additional federal research dollars to help speed that process.
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