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J-ENG Launches Marine Engine Fueled by Ammonia
Akihiro Komuro Japan Engine Corporation (J-ENG) has announced the completion of its first full-scale ammonia-fueled engine. The engine is due to be shipped to Japan Marine United (JMU)’s Ariake Works for installation on an ammonia-fueled ammonia carrier (AFMGC) which is currently under construction at the facility. The vessel is scheduled to enter service in November 2026.
Source: Kaiji Press Online
PSR Analysis: J-ENG’s first domestically produced ammonia fuel engine is a significant milestone as Japan strives to lead the way in marine decarbonization technology. Ammonia emits no CO₂ during combustion, making it a strong candidate for alternative fuels under the stricter IMO GHG regulations.
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MODX 70 Offers Luxury and Eco-Responsible Sailing
Natasa Mulahalilovic No other boat has pushed the boundaries of green yachting as far as the MODX 70, winner of the 2025 Multihull of the Year award for its advanced, intelligent vision of zero-carbon sailing, announced at the Cannes Yachting Festival.
The concept was introduced in 2008 and finally brought to life in 2025 through the combined efforts of Ocean Development, VPLP Design, Aeroforce, MG Energy, Madden Tech, and many other visionary partners.
The project has earned recognition from the French government under the France 2030 Plan, receiving support through the i-Nov competition for sustainable and intelligent mobility in 2021, which helped fund the ambitious and costly development.
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Maersk Institute Was Right About Ship Batteries
In September 2024 the Maersk McKinney Møller Center produced a pre-feasibility study on battery-powered vessels. The report identified battery-hybrid propulsion as an essential part of shipping’s decarbonization toolkit. It demonstrates a clear understanding that batteries offer significant efficiency gains over internal combustion and that partial electrification can sharply reduce greenhouse gas emissions and local air pollution.
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Major Shipbuilder Secures U.S. Military Ship Orders
Akihiro Komuro South Korea is collaborating with the government and private sector to strengthen its ties with the U.S. in the shipbuilding industry. Major companies, such as HD Hyundai Heavy Industries, are establishing bases in the U.S., and the government is supporting efforts to train individuals. They are taking advantage of the Trump administration’s push to revive the shipbuilding industry to gain a share of the market for building and repairing military ships. South Korea aims to catch up with China, which holds over half of the global shipbuilding market share, by leveraging its alliance with the US.
In late June, HD Hyundai emphasized its partnership with Edison Chouest Offshore (ECO), a U.S. shipbuilding company. The two companies plan to build LNG-fueled container ships together by 2028. ECO has five commercial shipbuilding bases in the US and specializes in offshore support vessels (OSVs); however, orders have been sluggish in recent years.
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Marine Exhibition 2025 Featured Industry Collaboration
Natasa Mulahalilovic The Electric & Hybrid Marine Exhibition 2025 held June 24 – 26, 2025, featured increased corporate collaboration and demonstrated a focus on sustainability, the adoption of immersive technologies, and enhanced connectivity.
These development trends were built on a collaborative approach to maritime electrification and decarbonization and reflect incremental improvements as well as a strategic shift toward smarter, greener, and more autonomous marine operations.
The show was held at the RAI Amsterdam complex and lasted three days. About 200 exhibitors participated, including leading companies in electric and hybrid marine technology, propulsion, and charging infrastructure.
Representatives of Power Systems Research attended the show to collect data on new products and to talk with exhibitors and attendees about industry trends.
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Rolls-Royce Power Reports Record 2024 Results
Natasa Mulahalilovic Rolls-Royce Power Systems achieved record 2024 performance, with revenue rising 11% to US$5.56 billion (€5.05 billion), surpassing the US$5.5 billion (€5 billion) mark for the first time. Adjusted operating profit jumped 40% to US$728.2 million (€662 million), boosting return on sales to 13.1% (up from 10.4% in 2023).
CEO Dr. Joerg Stratmann credited the results to a focused strategy in energy, government, marine, battery storage, and services. “We’ve grown our market share in mtu products and see strong future potential,” he said. The division recorded US$6.60 billion (€6 billion) in orders, signaling a positive outlook for 2025.
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Wärtsilä Reports Strong Growth in 2024
Natasa Mulahalilovic Wärtsilä, a marine and energy technology provider, saw a 34% increase in Q4 2024 order intake and 14% growth for the full year. Q4 orders reached EUR 2,491 million, with net sales up 13% to EUR 1,854 million.
The full-year order intake was EUR 8,072 million, with net sales growing 7% to EUR 6,449 million. The order book rose 25% to EUR 8,366 million.
CEO Håkan Agnevall highlighted record highs in order intake, operating results, and cash flow, noting significant profitability improvements. Despite geopolitical uncertainties, demand for decarbonization solutions has remained strong.
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Sanlorenzo, Volvo Penta Collaborate
The Italian superyachts manufacturer Sanlorenzo and Volvo Penta are working to enhance yachting efficiency and sustainability by integrating the Volvo Penta’s IPS Professional Platform into the new SX120 and SX132 superyachts.
As part of its “Road to 2030” strategy, Sanlorenzo, a leading superyacht manufacturer, continues to drive innovation following the 2024 launch of the 50 Steel, the first superyacht powered by a green methanol-to-hydrogen fuel cell.
The IPS Professional Platform is an integrated, modular propulsion system developed by Volvo Penta and has been successfully tested on the 37 meters passenger ferry called Penta 40 in Sweden in 2024. It is designed for commercial vessels and superyachts between 25 and 55+ meters to improve efficiency, sustainability, reliability and comfort on the sea.
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