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Sandia study finds fuel cell barges may be attractive lower-cost cold-ironing solution for some types of vessels at some ports

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This, the Sandia team said, is because their multi-megawatt power requirements and potentially long run times would necessitate multiple MW-class fuel cell units and impractically-large stores of hydrogen. Honolulu, Hawaii; and Seattle, Wash. The US Navy has been employing grid-based cold-ironing for many years to save fuel.

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