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Klaveness Combination Carriers to adopt air lubrication tech from Silverstream Technologies

Deal will see the installation of the Silverstream® System onboard 11 of KCC’s vessels including three CABU II class and eight CLEANBU class vessels in two years.

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Silver Tech

Clean technology company Silverstream Technologies on Monday (25 April) said it has reached an agreement with Oslo-based fleet operator Klaveness Combination Carriers (KCC) to install an innovative new version of its proven air lubrication system, the Silverstream® System on up to 11 vessels including three CABU II class and eight CLEANBU class vessels.

The retrofit installations will commence in early 2023 and take two years to complete.

The collaboration between Klaveness and Silverstream Technologies has resulted in a pioneering solution suitable for any standard tanker and bulk carrier of this size. 

The deal enables KCC to further enhance the environmental performance of its combination carrier fleet. 

With its capability to carry both types of cargo and other design improvements, KCC’s vessels emit up to 40% less CO2 per ton-mile compared to standard tanker or bulk carriers in similar trading patterns – a performance benchmark that will be boosted by the installation of the Silverstream® System.

The Silverstream® System uses a series of air release units (ARUs) in the vessel’s flat bottom to generate a uniform carpet of microbubbles that travel the full length of the hull, reducing friction between the hull and the water and substantially reducing fuel consumption and carbon emissions as a result. 

Silverstream’s patented technology maximises these net efficiency gains through the system’s low power consumption and highly effective delivery of microbubbles into the boundary layer.

Noah Silberschmidt, Founder & CEO of Silverstream Technologies, said: “We are delighted to sign this deal with KCC and begin work to retrofit our technology across its fleet. KCC has a strong and well-deserved reputation for being a sustainability leader and a genuinely green-minded innovator, and we are confident that our system will help to boost these credentials even further.

“The deal also proves Silverstream’s ability to take on complex retrofit projects and again underlines the attractiveness of our unique technology to a wide range of shipping segments and vessel operations. It also strengthens our ability to be able to serve unique vessel types and positions us perfectly to scale up adoption of our solution in both dry bulk and tanker shipping.

“Shipping has precious little time to act on its environmental footprint and proven clean technologies like the Silverstream® System are one of the only ways that owners and operators can get ahead of the curve. We look forward to further scaling our technology across a range of vessel types and fleet sizes in the near future.”

Engebret Dahm, CEO of KCC, added: “Maximising the energy efficiency of our fleet is a top priority for KCC. It is a prerequisite for reaching our decarbonisation targets and succeeding with the future energy transition. We are pleased to conclude the deal with Silverstream and to start the installation of Silverstream’s innovative and proven air lubrication system on two of vessels in 2023, with the intention to roll out the system on a further nine vessels during 2024-25.

“Silverstream’s system is an important part of a larger planned energy efficiency retrofit programme at KCC, which will aim to further strengthen our lead as the lowest carbon shipping provider in the dry bulk and tanker markets.”

Related: Malaysia: MMHE in strategic agreement to promote vessel air lubrication system
Related: Decarbonising shipping: We must find new ways to resolve the split incentive
Related: Wärtsilä conducts technology trial of air lubrication system on Maersk container ship
Related: MSC orders 30 air lubrication systems from Silverstream Technologies for large container newbuildings
Related: Silverstream air lubrication technology secures eight orders for Hyundai LNG carriers 

 

Photo credit: Silverstream Technologies
Published: 27 April, 2022

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Environment

Indonesia to expedite removal of sunken Malaysia-flagged tanker “Silver Sincere”

Vessel sank while carrying about 1,000 mt of waste oil on 12 January 2025; the wreck was discovered in March 2025 and was found to have drifted about 13 nautical miles from its original sinking site.

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Indonesia to expedite removal of sunken Malaysia-flagged tanker “Silver Sincere”

Indonesia’s Coordinating Ministry for Political and Security Affairs on Tuesday (14 July) held a cross-agency coordination meeting to expedite efforts in handling the Malaysian-flagged tanker Silver Sincere that sank off Bintan Regency, Riau Islands.

The vessel sank while carrying about 1,000 metric tonnes (mt) of waste oil on 12 January 2025. 

According to authorities, the ship sank within Indonesian waters. After several surveys, the wreck was finally discovered in March 2025 and it was found to have shifted approximately 13 nautical miles from the initial sinking location.

The meeting was aimed to align cross-ministerial and institutional measures to expedite the handling of the Silver Sincere wreck while minimising risks to shipping safety, the marine environment, and national interests.

Deputy for Coordination of State Defense and National Unity Purwito Hadi Wardhono emphasised that the handling of the impact of the Silver Sincere sinking was the first case to be comprehensively coordinated, serving as a model for handling foreign vessels sinking within Indonesian jurisdiction.

Through this cross-sectoral coordination, the government will establish a clear and measurable framework that can serve as a reference for resolving similar cases in the future, while minimising state losses due to environmental pollution, damage to underwater ecosystems and infrastructure, and disruption to shipping lanes.

“The most important thing is to immediately stop and prevent the negative impacts of this ship sinking,” Purwito said.

“Therefore, a coordinating role is crucial, as maritime security governance involves various ministries and institutions with varying authorities, allowing for faster, more integrated, and more effective response,” he said. 

He added that the Silver Sincere was a Malaysian-flagged vessel that sank within Indonesian jurisdiction, and therefore, all handling processes must comply with the provisions of Indonesian laws and regulations.

In the meeting, Prof. Eko Ganis Sukoharsono, representing the SAE Energy Consulting Team, presented the results of an analysis based on 14 observation periods using Sentinel-1 Synthetic Aperture Radar (SAR) satellite imagery. 

The analysis results showed strong indications of a waste oil spill that has resulted in marine pollution, damage to the seabed due to shifting shipwrecks, disruption of coastal ecosystems and fishing grounds, and potentially threatening the livelihoods of fishing communities around the Riau Islands. 

Purwito added these findings further emphasise the importance of accelerating the removal of the shipwrecks to prevent widespread environmental impacts, maintain shipping safety, and avoid the potential for greater state losses.

The meeting brought together representatives of related ministries and institutions including the Ministry of Foreign Affairs, Ministry of Defense, Ministry of Transportation, Ministry of Maritime Affairs and Fisheries, Ministry of Environment, Attorney General’s Office.  

Related: MPA: Malaysia-registered tanker “Silver Sincere” sinks off Pedra Branca

 

Photo credit: MarineTraffic / Julian T
Published: 20 July, 2026

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LNG Bunkering

Singapore: FueLNG achieves 800th LNG bunkering operation milestone

Bunker tanker “FUELNG Venosa” delivered LNG marine fuel to bulk carrier “MV Ubuntu Humanity” at Eastern Bunkering A Anchorage (AEBA) on 11 July.

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Singapore: FueLNG completes 800th LNG bunkering operation

Singapore’s licensed LNG bunker supplier FueLNG on Friday (17 July) announced the successful completion of its 800th LNG bunkering operation in the republic.

The company said bunker tanker FUELNG Venosa delivered LNG marine fuel to bulk carrier MV Ubuntu Humanity at Eastern Bunkering A Anchorage (AEBA) on 11 July. 

“This achievement is more than just a number,” FueLNG said.

“It reflects the trust our customers place in us, the dedication of our operations team, the professionalism of our marine partners, and our unwavering commitment to safe, efficient, and reliable bunker deliveries.” 

Manifold Times previously reported FueLNG completing its 500th LNG ship-to-ship (STS) bunkering operation.

Related: Singapore: FueLNG achieves milestone of 500th STS LNG bunkering operation

 

Photo credit: FueLNG
Published: 20 July, 2026

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Methanol

Western Baltic Engineering unveils green methanol bunkering vessel design for Klaipėda

Designed for flexible operations in shallow waters and local bunkering routes, the concept features an 800-metric-tonne green methanol capacity and the potential to supply up to 250,000 mt annually.

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Western Baltic Engineering unveils green methanol bunkering vessel design for Klaipėda

Ship design and engineering service provider Western Baltic Engineering on Thursday (16 July) showcased its latest concept design for a green methanol bunkering vessel, developed for the operational needs of the Port of Klaipėda.

Designed for flexible operations in shallow waters and local bunkering routes, the concept features an 800-metric-tonne green methanol capacity and the potential to supply up to 250,000 metric tonnes (mt) annually. 

“It is Western Baltic Engineering’s first concept dedicated exclusively to green methanol bunkering, expanding our portfolio of alternative-fuel vessel solutions,” the company said in a social media post.

“Building on our experience in methanol-ready vessel design, it reflects our continued focus on enabling the industry’s transition to cleaner fuels.”

“As the maritime sector evolves, engineering companies have a responsibility not only to respond to market needs but also to anticipate future challenges,” said Marius Arkusauskas, Director at Western Baltic Engineering.

“By exploring emerging technologies and alternative fuel applications, we help our partners prepare for the next generation of maritime operations while contributing to a more sustainable future.”

 

Photo credit: Western Baltic Engineering
Published: 20 July, 2026

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