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Retrofit

Silverstream completes retrofit of air lubrication system for LNGC at Singapore shipyard

Installation completed in 30 days reinforcing the role that Silverstream’s technology can play as a near-term decarbonisation solution for existing ships.

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Silverstream

London-based maritime clean technology firm Silverstream Technologies on Tuesday (9 April) said it has successfully completed another retrofit of its air lubrication technology, the Silverstream® System, on a large LNG carrier at Seatrium’s Admiralty Yard in Singapore.

The retrofit, which was on a 174k cbm LNG carrier owned by an oil major, was completed in 30 days reinforcing the role that Silverstream’s technology can play as a near-term decarbonisation solution for existing ships. It is the 11th retrofit of the Silverstream® System that the company has delivered worldwide.

The Silverstream® System releases a carpet of air to reduce the frictional resistance between the hull and the water, reducing average net fuel consumption and GHG emissions by 5-10%. Moreover, in the case of LNGCs, these savings result in increased delivered volumes.

Silverstream has a proven track record of newbuild and retrofit installations and has delivered every one of its 69 in-operation installations on time. By completing the retrofit within 30 days, Silverstream also minimises any impacts on a vessel’s profitability.

Speaking on the announcement, Noah Silberschmidt, Founder & CEO, Silverstream Technologies, said: “This successful retrofit at Seatrium of our technology onboard another LNG carrier is yet further proof of our deep experience in the LNG segment. The market conditions and operational factors unique to LNGCs make them perfectly suited to our air lubrication technology, and we will continue to work with energy majors and our yard partners to ensure smooth installations onboard any vessel that chooses us as an efficiency-boosting option.”

Alvin Gan, Executive Vice President, Repairs and Upgrades, Seatrium Limited, said: "As the premier yard in LNGC repairs, upgrades and conversions, Seatrium is committed to working with our customers and partners to provide turnkey, one-stop solutions in energy efficiency retrofits for LNG carriers. Our collaboration with Silverstream Technologies is successfully delivering another retrofit of their air lubrication technology and further solidifies our position in the industry. By providing comprehensive engineering services through excellent project execution, we aim to continue to lead and play a key role in assisting our customers to achieve their energy efficiency targets."

 

Photo credit: Silverstream Technologies
Published: 11 April 2024

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Decarbonisation

SMW 2025: PIL and ABS to partner on maritime operations and decarbonisation technologies

As part of a MoU, ABS Technology and Singapore Innovation Research Center will provide modeling and simulation to support PIL’s new vessel constructions and existing vessel retrofits.

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SMW 2025: PIL and ABS to partner on maritime operations and decarbonisation technologies

Singapore-based container operator Pacific International Lines (PIL) on Tuesday (25 March) said it has signed a Memorandum of Understanding (MoU) with classification society ABS at Singapore Maritime Week that establishes a framework to collaborate on projects related to maritime technology, sustainability and safety management systems.

As part of the overall strategic partnership, the MoU allows PIL and ABS to exchange technical knowledge and jointly explore innovative maritime technologies. The ABS Technology and Singapore Innovation Research Center will provide modeling and simulation to support PIL’s new vessel constructions and existing vessel retrofits.

ABS Sustainability specialists will work with PIL to develop an energy-efficiency strategy including techno-economic studies, and the implementation of practical decarbonisation measures that enhance environmental performance.

Safety is another key focus area of the agreement, with ABS providing guidance for Port State Control improvement and aligning safety standards with global best practices.

Christopher J. Wiernicki, ABS Chairman and CEO, said: “We look forward to capitalising on our unique strengths and capabilities in maritime compliance and cutting-edge technologies to advance safety, emissions reduction and operational efficiency.”

Lars Kastrup, CEO of PIL, said, “This MoU reinforces our commitment and supports our plans to future-proof our fleet. Partnering with ABS allows us to leverage world-class expertise to drive innovation, advance decarbonisation, and enhance safety management.”

“This long-term collaboration is a testament to our dedication to driving progress, ensuring that we stay ahead of regulatory changes while maintaining operational excellence and environmental responsibility.”

The MoU will enable PIL to advance the resilience and competitiveness of its fleet by exploring innovative solutions, fostering technical knowledge exchange, and assessing emerging maritime and decarbonisation technologies. PIL has recently taken delivery of four new LNG dual-fuel container vessels and has another 14 on order that can benefit from this partnership.

Related: Singapore-based PIL names fourth 14,000 TEU LNG dual-fuel boxship in China
Related: Singapore-based PIL takes delivery of third 14K TEU LNG dual-fuel boxship “Kota Ebony”
Related: Singapore-based PIL names two LNG dual-fuel container vessels in China

 

Photo credit: Pacific International Lines
Published: 26 March, 2025

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Methanol

DNV awards AiP to Cummins for methanol-ready QSK60 marine engines

Cummins’ AiP is for its methanol-ready QSK60 IMO II and IMO III marine engines, available in power ratings from 2000 to 2700 hp and with that, it plans to launch retrofit kits for the QSK60 post-2028.

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DNV awards Cummins AiP for methanol-ready QSK60 marine engines

Cummins on Thursday (6 March) said it has received Approval in Principle (AiP) from DNV for its methanol-ready QSK60 IMO II and IMO III marine engines.

The engines are available in power ratings from 2000 to 2700 hp (1491 - 2013 kW). 

The company said the approval, granted in June 2024, validated Cummins' retrofittable methanol dual-fuel solution for the global marine market, ensuring compliance with the highest standards of safety and performance.

Following extensive field testing, Cummins plans to launch the retrofit kits for the QSK60 post-2028 to align with market demand and infrastructure readiness. Designed for diesel-electric systems, these kits can be integrated with battery technology to optimize efficiency and sustainability.

DNV awards Cummins AiP for methanol-ready QSK60 marine engines

Dawn Wehr, Cummins Executive Director – Strategy, Product Planning & Digital, said: “Using a retrofittable solution dismisses the need for a major vessel overhaul and creates an immediate positive impact on carbon-emissions reduction. With our continual work on developing solutions for other alcohol fuels, including ethanol, we are committed to providing solutions that work for different operations and fuel infrastructure availabilities to ensure ease of adoption.”

The approval builds on Cummins' August 2023 announcement permitting the use of renewable diesel, such as hydrotreated vegetable oil (HVO), across its high-horsepower engine range. By leveraging renewable diesel in dual-fuel solutions, ship operators can make significant progress towards reducing carbon emissions.

 

Photo credit: Cummins
Published: 7 March, 2025

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Retrofit

Matson boxship “Kaimana Hila” returns to service after LNG conversion

“Kaimana Hila” is the latest vessel to operate on LNG bunker fuel, joining its sister ships, “Daniel K. Inouye” and “Manukai”; Matson has ordered three new LNG-ready containerships from Philly Shipyard.

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Matson boxship “Kaimana Hila” returns to service after LNG conversion

Shipowner Matson on Friday (13 December) announced that its containership Kaimana Hila is back in service after completing the company’s third LNG conversion. 

A new bow windshield was also added for improved aerodynamics and fuel conservation.

Kaimana Hila is the latest vessel to operate on LNG, joining its sister ships, Daniel K. Inouye and Manukai

Manukai underwent a complete repowering, replacing its engine with a dual-fuel engine like those powering Daniel K. Inouye and Kaimana Hila

These conversions are part of Matson’s long-term strategy to reduce Scope 1 fleet greenhouse gas emissions by 40% by 2030 and achieve net zero emissions by 2050.

Matson has ordered three new Aloha Class containerships from Philly Shipyard. The first, Makua, is under construction and scheduled for delivery in 2026. 

All three vessels will join the fleet LNG-ready but can operate on conventional fuels as needed. 

Like their sisterships Daniel K. Inouye and Kaimana Hila, each vessel will boast numerous “green ship” technology features, such as a fuel-efficient hull design, environmentally safe double-hull fuel tanks, and freshwater ballast systems.

 

Photo credit: Matson
Published: 17 December, 2024

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