Hydrogen Fuel from Renewable Resources

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Abstract
This article presents the results of an assessment of hydrogen production technologies and an evaluation of the technical and economic feasibilities of producing and using hydrogen from renewable resources. Technologies evaluated include biomass gasification and electrolysis of water using electricity generated from a variety of renewable energy sources. It was found that biomass gasification is the most economical process for renewable hydrogen production with methanol generated from synthesis gas, a near-term variant useful as a ground transportation fuel. Electrolysis is the most attractive option for large-scale production of hydrogen, provided cost reductions for the basic expense associated with electricity can be realized. For the long term, photoconversion offers the greatest promise of providing inexpensive hydrogen.

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