There's more and more talk about the promise fuel cell-powered cars releasing the U.S. from its reliance on foreign oil. Recently, President Bush launched his "Freedom CAR" program, which aims to get hydrogen-powered vehicles on the road. But with the benefits of current fuel-cell technology debatable, and hydrogen cars at least 10 years away from assembly lines, is this sound energy policy? Larry Mantle speaks with Bob Mauro, a policy analyst for the National Hydrogen Association.