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Project Nautilus: Introducing Hydrogen Fuel Cell Technology as a Retrofit on a Hybrid Electric Vessel

MARAD partnered with Sandia National Laboratory and the Hornblower Group to design a hydrogen fuel cell application to be retrofitted on an existing passenger ferry operating in San Francisco.  Specifically, the design focused on replacing an auxiliary diesel generator with a fuel cell.  Hornblower submitted the design to the USCG Marine Safety Center and received a Design Basis Letter of Approval.

Last updated: Monday, October 16, 2023