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We end the chapter with the example of the fuel cell, and the prospects of ever having fuel cell cars—the only current, feasible, environmentally friendly choice for vehicles. Or is it? Automotive News (September 27, 2004, pp. 1, 53) provided the current forecast at this writing for fuel cell cars, which just added five more years to their introduction forecast (15 years off), and even their article does not tell us where to get a sustainable source of hydrogen.