2-Stroke and 4-Stroke – Page 2

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    HiMSEN confirms 2025 pure-hydrogen engine launch plans


    HD Hyundai Heavy Industries Engine & Machinery Division (HHI-EMD) has announced that it plans to commercialise a pure-gas four-stroke hydrogen-fuelled marine engine concept and that it anticipates a 2025 market launch for the engine. 

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    HHI-EMD targets oxicat prototype test by Q3 2024


    Hyundai Heavy Industries Engine & Machinery Division (HHI-EMD) held a webinar on 30 October 2023 discussing its after-treatment research for LNG, and announced that it plans to complete the prototype of its methane oxidation catalyst (oxicat) technology by Q3 2024.

  • Photo Svanehøj HPP Triplex Unit

    New HP pump solution for dual-fuel two-stroke engines


    Marine pump specialist Svanehøj has launched a compact high-pressure pump solution for dual-fuel LNG two-stroke engines, which is expected to extend service intervals.

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    Fuel conditioner trial results indicate 5% fuel saving


    Following a five month-long trial, the use of a fuel conditioner reduced marine diesel consumption in a two-stroke marine diesel engine by more than 5% in real world conditions.

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    Wärtsilä inks deal to study feasibility of ethanol as marine fuel


    Wärtsilä has signed a Decarbonization Agreement with Raízen, an integrated energy company with a broad portfolio of renewables, to explore the potential use of ethanol as a marine fuel and to advance the development of the first ethanol-fuelled seagoing vessel. 

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    ClassNK awards world’s first AiP for H2-fuelled 2-stroke vessel design


    ClassNK has issued an Approval in Principle (AiP) for a hydrogen-fuelled multi-purpose vessel using Japan Engine’s (J-ENG) large low-speed two-stroke hydrogen-fuelled engine as a main mover. The AiP is the world’s first for a ship equipped with such a large low-speed two-stroke hydrogen-fuelled engine.

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    Exmar orders pair of 46,000cbm gas carriers with WinGD X-DF-A engines


    Exmar LPG, a joint venture between Exmar and Seapeak, has confirmed that a pair of 46,000 cbm gas carriers on order at Hyundai Mipo Dockyard in South Korea will be powered by WinGD’s ammonia-fuelled X-DF-A engines.

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    High-speed gensets for hybrid-electric cable-layer vessel


    Vard, one of the major global designers and shipbuilders of specialised vessels, has ordered 4 × MAN 12V175D-MEM gensets in connection with the building of a new purpose-built, cable-laying vessel (CLV) for NCT Offshore, a Denmark-based subsea specialist. The gensets will form part of the vessel’s diesel-electric DP2 propulsion system, which also includes a hybrid battery package.


    CMB.TECH wins first orders for marine DF hydrogen-fuelled gensets


    CMB.TECH, the Belgium-based engine developer, has announced that it has received the first order for the world’s first dual-fuel hydrogen gensets for marine applications. The engines will be built in collaboration with Netherlands-based engine builder DBR, which will be responsible for the construction and delivery of the dual-fuel hydrogen gensets.

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    MAN ES joins maritime H2-fuelled 4-stroke engine concept project


    MAN Energy Solutions has announced that it is joining a research project to jointly develop 4-stroke hydrogen-fuelled marine engine concepts. 

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    MAN ES inks Spire Digitalisation deal, targets expanded services


    MAN Energy Solutions has selected Spire Global, Inc., a global provider of space-based data, analytics and space services, to provide weather data and real-time automatic identification system (AIS) vessel-tracking data.

  • Kongsberg Digital simulator to AAMS

    Seafarer training undergoing its own new fuels transition


    Methanol is making its way into IGF Code training programs, but there’s a broader evolution underway for STCW training.

  • Wartsila hybrid electric LNG carrier design 1 (003)

    Hybrid-Electric LNGC Design Presents Net-Zero Pathways


    At Gastech 2023, Shell unveiled its new modular hybrid electric LNG carrier design together with CSSC Hudong-Zhonghua Shipbuilding and Wärtsilä

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    First reference for Wärtsilä 25DF engine on luxury cruise series


    Wärtsilä has announced that it will supply the first reference for its new Wärtsilä 25DF dual-fuel engine for a series of sail-assisted luxury cruise newbuildings. The series of vessels are being built at the Chantiers de l’Atlantique (CdA) shipyard in France for Orient Express Silenseas, part of French hospitality group, Accor. 

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    MES announces first domestic G80ME-LGIM order from Japanese shipyard


    MITSUI E&S Co., Ltd. (MES) has announced that it will supply a methanol-fuelled Mitsui-MAN B&W 80-bore engine to a series of vessels on order at Japanese shipyard Tsuneishi. The order represents the first domestic reference for a Mitsui-MAN B&W G80ME-LGIM engine from a Japanese-owned shipyard.

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    First AiP for WinGD’s X-DF-A engine


    Swiss marine power company WinGD has secured the first ever approval in principle (AiP) for two­­‑stroke engines fuelled with ammonia. Lloyd’s Register awarded the AiP to WinGD’s X-DF-A dual-fuel range.

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    First reference for MAN MeOH-fuelled gensets on PCTC series


    In a first for MAN Energy Solutions, its dual-fuel MAN 21/31 DF-M gensets have been specified for two pure car and truck carriers for Chinese ship owner China Merchants Energy Shipping (CMES). The methanol-fuelled vessels will also feature MAN B&W ME-LGIM prime movers.

  • View From The Bridge - Bjarne Foldager, MAN Energy Solutions

    PODCAST: MAN ES’ Foldager expects demand for ME-LGIM engine to soar


    Bjarne Foldager, Senior Vice President & Head of Two-stroke Business at MAN Energy Solutions discusses surging demand for its methanol-fuelled ME-LGIM engine.

  • Sam Gombra ETA Shipping

    Bulk carrier design aims for 40-year lifetime


    ÈTA Shipping and global commodity group Mercuria are collaborating on a series of shortsea bulk carriers that will be diesel electric in their initial configuration, but with containerised gensets on deck, they will be readily adaptable to new fuels and new technologies over their lifetime.

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    Market Uptake For Diesel-Electric Coaster


    An opening contract has been secured by Dutch shipbuilder Thecla Bodewes for a new generation of short-sea cargo vessel powered by a multi-genset diesel-electric plant.