Mitsubishi Shipbuilding Launches LNG-Powered RO/RO Vessel “TRANS HARMONY EMERALD”

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Mitsubishi Shipbuilding, part of the Mitsubishi Heavy Industries (MHI) Group, has held a christening and launch ceremony for the TRANS HARMONY EMERALD, the second of two LNG-powered roll-on/roll-off (RO/RO) vessels being built for Toyofuji Shipping Co., Ltd. The ceremony took place at the Enoura Plant in Shimonoseki Shipyard & Machinery Works, Yamaguchi Prefecture. The ship’s handover is scheduled for June 2025 following final outfitting and sea trials.

Key Specifications of the TRANS HARMONY EMERALD

  • Type: RO/RO (Roll-On/Roll-Off) vessel
  • Length (LOA): Approx. 195 meters
  • Beam: Approx. 30.6 meters
  • Gross Tonnage: Approx. 49,500 tons
  • Capacity: Can carry approximately 3,000 passenger cars
  • Service Speed: 19.5 knots
  • Main Engines: Dual-fuel engines capable of running on LNG or diesel fuel.

Environmental Benefits

The TRANS HARMONY EMERALD is designed to have a significantly reduced environmental footprint:

  • CO2 emissions are reduced by more than 25% compared to similar vessels powered by fuel oil.
  • SOx (sulfur oxide) emissions are reduced to near zero, making the vessel environmentally friendly and aligned with global maritime sustainability goals.

LNG-Powered Technology and Energy Transition

Mitsubishi Shipbuilding is contributing to the energy transition in the maritime industry by building LNG-powered ships that help reduce carbon emissions. As part of MHI Group’s strategic initiative to support a carbon-neutral world, the company aims to help the maritime industry achieve low-carbon and energy-efficient operations.

Previous Vessel and Future Plans

  • The first ship in the series, TRANS HARMONY GREEN, was launched in June 2024, with a handover scheduled for January 2025.
  • Mitsubishi Shipbuilding continues to focus on building LNG-powered ferries and RO/RO ships, contributing to stable maritime operations and energy efficiency.

This initiative is part of a broader effort by the maritime industry to reduce emissions and improve sustainability through the adoption of LNG-powered vessels.

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Source: MITSUBISHI HEAVY INDUSTRIES