World's first commercial-use ammonia vessel completes test voyage

The three-month test involved tugboat operations in Tokyo Bay.

The world’s first commercial-use ammonia-fueled vessel, Sakigake, has completed its demonstration voyage that ran for three months.

Duuring this period, the vessel engaged in tugboat operations in Tokyo Bay and achieved a greenhouse gas-emission reduction of up to approximately 95%.

Sakigake was completed by Nippon Yusen Kabushiki Kaisha (NYK) and IHI Power Systems Co., Ltd. (IPS) on 23 August 2024, in cooperation with Nippon Kaiji Kyokai (ClassNK). This was part of the Green Innovation Fund Project under Japan’s New Energy and Industrial Technology Development Organization (NEDO).

The vessel will continue to be used for tugboat operations in Tokyo Bay. Information continuously be collected for the development and operation of ammonia-fueled vessels.

NYK, Japan Engine Corporation, IPS, and Nippon Shipyard Co., Ltd. are also working to develop an ammonia-fueled ammonia gas carrier, which is scheduled to be delivered in November 2026.

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