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MITSUBISHI FUEL SYSTEM FOR FIRST JAPANESE DUAL-FUEL PCC

Tuesday, November 10, 2020 

The first LNG (liquefied natural gas) fuel gas supply system (FGSS) for marine dual fuel engines from Mitsubishi Shipbuilding has recently entered service on the NYK dual fuel pure car carrier (PCC) 'Sakura Leader'.

The vessel was built by Shin Kurushima Toyohashi Shipbuilding. During construction and commissioning, Mitsubishi Shipbuilding maintained close cooperation with the shipyard and supported the successful delivery of the ship. Mitsubishi Shipbuilding supported the shipyard by providing the relevant engineering services and technical support relating to the gas handling of the LNG-fuelled PCC, as well as providing experienced engineers for installation, testing and the initial bunkering, the first ship-to-ship bunkering in Japan. The same FGSS system is currently being manufactured for a second PCC, and is to be delivered in 2021.

The ship has been designated by Japan's Ministry of the Environment and Ministry of Land, Infrastructure, Transport and Tourism (MLIT) as a model project to reduce CO2 emissions by using alternative fuel, and demonstrate substantial CO2 emission reduction technology during operation. The FGSS is expected to contribute to the environmental performance of the ship not only by meeting the SOx emission regulations implemented globally in 2020, but also by improving the energy efficiency (CO2 emissions per unit of transportation) of the ship by about 40%, exceeding the IMO EEDI Phase 3 requirements that will come into effect in 2025.

The fuel system was developed by Mitsubishi Shipbuilding using LNG and vaporised gas handling technology accumulated through its LNG carrier experience. The system comprises LNG fuel tanks, LNG fuel gas supply units, a control unit and other facilities, and its modular design contributes to optimum cargo space and helps the shipyard shorten the installation period, as well as supporting safe operation.

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