Bush Calls for More Research on Earth-Friendly Cars President Bush proposes more than $1 billion over the next five years to develop advanced automotive technologies, including environmentally friendly cars powered by hydrogen fuel cells. NPR's Bob Edwards talks to Dan Sperling of the University of California, Davis.

Bush Calls for More Research on Earth-Friendly Cars

Bush Calls for More Research on Earth-Friendly Cars

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President Bush proposes more than $1 billion over the next five years to develop advanced automotive technologies, including environmentally friendly cars powered by hydrogen fuel cells. NPR's Bob Edwards talks to Dan Sperling of the University of California, Davis.