| http://www.w3.org/ns/prov#value | - Hydrogen powered vehicles are being developed by most of the major automobile manufacturers in the world, including General Motors, Daimler-Benz, Ford, Toyota, Mazda and Honda. [0007] A major problem with conversion to a hydrogen-powered economy is what to do with the approximately 700 million existing internal combustion engine (ICE) vehicles, designed to run on gasoline, that are presently on th
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