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Wallenius Marine conducts design tests for world’s first wind-powered PCTC

Tests were carried out with experts from RISE, KTH, and Oceanbird in Gothenburg, at one of Europe’s most advanced wind tunnels, with wind speeds of up to 250 km/h.

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Wallenius Marine conducts design tests for world’s first wind-powered PCTC

Wallenius Marine recently said it conducted advanced wind tunnel tests from 6 to 9 December aimed at realising the world’s first wind-powered PCTC (Pure Car and Truck Carrier) vessel. 

The tests were carried out in Gothenburg, at one of Europe’s most advanced wind tunnels, with wind speeds of up to 250 km/h.

Wallenius Marine gathered with experts from RISE, KTH, and Oceanbird in Gothenburg for a series of crucial tests to validate the latest design for wind-powered PCTC vessels.

The firm said these tests will not only confirm the design but also contribute to the development of new data simulation models for wind-powered ships.

“We are currently at a central stage in the design process where we want to ensure that our design meets all technical and operational requirements before we finalise the tender design,” said Carl Fagergren, Senior Project Manager at Wallenius Marine.

The tests are being conducted by RISE Maritime Department (former SSPA), which has also constructed a 5 x 2 meter model using advanced technology. The model weighs 1.2 metric tonnes and is used to simulate the full aerodynamic performance of the ship in the wind tunnel. Previously, wing sails have been tested independently without a hull, but this combination of hull and multiple wings in a large tunnel with a full-scale model makes this test unique. This round of tests included:

  • The interaction between the vessel’s hull and six high-tech wing sails.
  • Testing the optimal distance between hull and wing for maximum performance.
  • Testing three different types of command bridges and their impact on the vessel’s performance.
  • How “off-design conditions” affect the ship’s operation, such as when a wing sail is positioned at the wrong angle or location.
  • Data for the development of wing control systems

The next important step is during 2025, when the Oceanbird wing sail will be tested live aboard Wallenius Wilhelmsen’s vessel Tiranna

“This will give us further input on the journey towards zero emission shipping and the development of the ship design,” Wallenius Marine said. 

 

Photo credit: Wallenius Marine
Published: 10 December, 2024

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Interview

Interview: Cargill Ocean Transportation shares digital and decarbonisation roadmap

Ying Ying Lim, Vice President of Cargill Ocean Transportation APAC, shares how data, AI and partnerships are driving digitalisation and decarbonisation for Cargill.

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Interview: Cargill Ocean Transportation shares digital and decarbonisation roadmap

In this Manifold Times interview, Ying Ying Lim, Vice President of Cargill Ocean Transportation APAC, discusses how Cargill is using digitalisation—grounded in data, analytics and AI—to improve freight execution and strengthen bunker procurement decisions.

She also shares why a fuel- and technology-agnostic approach, including real-world trials such as green methanol bunkering in Singapore, and collaboration across the maritime value chain are key to scaling decarbonisation while maintaining operational performance.

MT: What is the state of Cargill’s digital transformation for its maritime segment?

Digitalization, data and AI are core enablers of how we run and evolve our ocean transportation business.

We have made deliberate investments to build strong digital foundations, starting with data and analytics that directly improve decision-making, operational efficiency and decarbonization outcomes. This includes our early involvement in ZeroNorth, which applies AI to optimize freight routing and reduce fuel consumption and emissions.

That foundation supports more efficient freight execution, better commercial decisions and a more consistent customer experience, complemented by partnerships with leading maritime technology providers such as Veson.

More recently, we developed a Data Cloud for Cargill Ocean Transportation as a shared data backbone across our shipping activities, and we have begun scaling the use of generative AI across selected processes. We see this as a long-term capability build that requires discipline and sustained commitment, but one that is essential to managing complexity and delivering value at scale.

MT: How has Cargill benefitted from digitalization of its shipping operations?

Digitalization has helped us improve efficiency and cost discipline across our shipping operations, with the level of impact varying depending on the initial situation and objectives of each process.

In freight execution, we use digital tools to support route optimization, vessel vetting, ship chartering, freight handling and market forecast. Depending on the process and starting point, we have been able to partially or fully automate activities, always with a clear focus on delivering a positive return on investment.

While parts of the dry cargo market still rely on semi‑automated processes and inconsistent standards, advances in generative AI are giving us greater flexibility. For example, AI can help structure and make usable unstandardized inputs such as emails and documents, reducing manual effort and dependence on traditional technology vendors. This allows us to lower costs, improve efficiency and instill resilience in our operations.

MT: Has Cargill incorporated digitalization into its bunkering and marine fuel procurement operations? Were there challenges to overcome and what were the solutions?

Cargill executes its marine fuel procurement through Seascale Energy, a Cargill and Hafnia joint venture. By leveraging combined purchasing power and market influence, Seascale brings greater transparency, reliability and efficiency to bunker procurement, supporting improved commercial outcomes.

Data and digital decision making tools play an important role in this process. As with many parts of the maritime value chain, bunker procurement has historically relied on fragmented data and manual processes. Digital tools help bring greater transparency and comparability to purchasing decisions, supporting more consistent outcomes while maintaining the flexibility needed to operate across different markets and suppliers.

One challenge is limited transparency around delivered quantity and fuel quality. This can make like-for-like comparisons more difficult and increase the risk of disputes. Cargill is one of the founding participants in the Bunkering Services Initiative, which commenced operations in the Amsterdam–Rotterdam–Antwerp (ARA) region. The initiative combines certified hardware, real-time data capture and independent assurance across bunker deliveries to improve transparency, traceability and accountability.

Another challenge is that bunker procurement has often been assessed primarily on price, even though outcomes can be materially affected by factors such as claims performance, counterparty reliability, quantity discrepancies and more. Through Seascale, we’re supporting the continued development and commercial rollout of Studio 30 50’s Fuelsure platform to evaluate procurement decisions based on total commercial outcomes, not just nominal cost.

MT: What is Cargill’s view on the use of electronic bunker delivery notes (e-BDN) in Singapore? Does the company have plans to introduce e-BDN operations for its vessels around the world? 

Singapore has become the first port globally to mandate electronic bunker delivery notes as the default for all bunker suppliers, setting an important precedent for the industry.

One of the key advantages of e‑BDNs is the use of a standardized and consistent format, which makes it easier for stakeholders to verify information and reduces the risk of discrepancies or errors in the bunkering process.

More broadly, the adoption of e‑BDNs is largely driven by regulation. Where electronic bunker delivery notes are mandated by governments or governing bodies, Cargill will support their implementation accordingly.

MT: Does Cargill have a preferred type of alternative marine fuel which it wants to use for its vessels?

At Cargill, we are deliberately fuel and technology agnostic as we navigate the energy transition. What matters most is using the solution that is best suited to the vessel, the trade and the operating environment at any given time.

We anticipate a multifuel future. Some vessels will continue to operate on conventional fuels, others will use drop-in biofuels, and over time we anticipate more advanced fuels to play a role as availability and infrastructure develop. At Seascale we are exploring LNG and Bio-LNG procurement, and for our own fleet we’re experimenting with green methanol and exploring the possibility of other green fuels, such as ethanol.

Today, the strongest business cases we see are around fuel efficiency and biofuels. At the same time, we are investing in optionality. The methanol vessels are designed to perform efficiently on conventional fuel now, while giving us the flexibility to transition to lower-carbon fuels as their supply chain becomes viable. This approach allows us to make progress today while remaining adaptable for the future.

MT: What is Cargill’s decarbonization strategy and how can Singapore as a multi-fuel bunkering hub help fulfil this ambition?

To complement our fuel and technology-agnostic approach, we continue to explore more ambitious ways to reduce carbon intensity over time. You have seen this through initiatives such as wind assisted propulsion and the introduction of multifuel vessels.

A recent example was Cargill’s first ever bunkering of green methanol in Singapore. This was an important technical experiment, carried out jointly with Singapore based partners and the Maritime Port Authority of Singapore, and it was a positive learning experience.

Technologies such as green methanol or wind assisted propulsion still come with uncertainty. However, as an industry leader, we believe it is important to test these innovations in real operating conditions, share what we learn, and help support the systems and standards needed for wider adoption.

By operating a fleet of multi-fuel and fuel-ready vessels, we are able to experiment with new fuels today and ensure we are ready to progress as these solutions become more viable. Singapore’s role as a multifuel bunkering hub is an important enabler of this approach.

MT: Does digitalization and decarbonization complement each other?

Absolutely! Digitalization can be used to support better fuel efficiency. If we have a clearer understanding of how a vessel performs under different conditions, we can optimize its operations to reduce fuel consumption.

The savings on a per vessel basis may not be dramatic, but these improvements can be applied across fleets of different ages and market segments. When scaled, they add up. For that reason, it is worth doing.

MT: What are your predictions around the demands of maritime shipping in 2030?

Looking ahead to 2030, it is helpful to distinguish between what is most likely to be deployed at scale and what remains more aspirational.

From a practical perspective, we expect biofuels and LNG to account for a significant share of fuel use, as these options are already available today and can be applied across a wide range of vessels and trades. Methanol and ethanol are also expected to play a growing role, but their uptake will depend on fuel availability, infrastructure development and effective regulation.

From an ambition standpoint, our focus at Cargill is on continuing to reduce the carbon intensity of ocean transport for our customers. Within Cargill Ocean Transportation, we have a 2030 ambition to reduce Scope 3 emissions by 30 percent per ton of product sold, compared to a 2017 baseline, measured through improvements in our Energy Efficiency Operational Indicator. As of 2024, we have reported progress of 12 percent toward that target.

Achieving further reductions by 2030 will depend not only on fuel choices, but also on efficiency improvements, vessel design, digital optimization and a regulatory environment that supports the scaling of lower-carbon solutions. Digitalization, and AI in particular, will be essential in managing the added complexity that decarbonization brings, from emissions reporting and regulation to multiple propulsion technologies.

Related: Cargill’s first green methanol dual-fuel dry bulk vessel to bunker in Singapore

 

Photo credit: Cargill
Published: 30 April 2026

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Wind-assisted

Norsepower and COSCO partner to ramp up production of rotor sails

Both inked a new cooperation agreement to deepen their strategic partnership and accelerate the production, deployment and service of Norsepower Rotor Sails™ for the global shipping market.

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Norsepower and COSCO partner to ramp up production of rotor sails

Wind propulsion firm Norsepower on Thursday (26 March) said it signed a new cooperation agreement with COSCO Shipping Heavy Industry Equipment (Nantong) Co., Ltd. (CHIC) to deepen their strategic partnership and accelerate the production, deployment and service of Norsepower Rotor Sails™ for the global shipping market.

The agreement was signed by Heikki Pöntynen, CEO of Norsepower, and the General Manager of CHIC, in the presence of representatives from both companies. Building on the previously announced Memorandum of Understanding, the new agreement establishes a comprehensive framework for long-term collaboration across the rotor sail value chain, including production, sales, installation, service and joint engineering development.

The global market for wind propulsion has gained significant momentum in recent years, as shipowners seek proven solutions to improve fuel efficiency and meet tightening regulations. Against this backdrop, Norsepower has identified the expansion of its production capacity as a key factor in meeting growing demand and maintaining technological leadership.

This cooperation agreement establishes a long-term framework for in-depth collaboration by fully integrating the core resources and strengths of both parties. It combines Norsepower’s operational expertise in rotor sail technology, advanced intelligent control systems, and continuous innovation capabilities with CHIC’s large-scale manufacturing capacity, mature installation processes, and global service network to jointly explore project opportunities in the global market, and promote the large-scale application of wind propulsion technology across global fleets. The agreement also defines a cooperation roadmap and development phases, laying a solid foundation for the steady advancement of future collaboration.

CHIC’s General Manager, said: “We are very pleased to move our partnership with Norsepower beyond the MOU stage. CHIC has long focused on energy efficiency and emission reduction in the maritime sector, committed to delivering green equipment solutions to the industry. Norsepower brings proven rotor sail technology and a strong market position, while CHIC offers deep expertise and significant resources in ship equipment manufacturing. With our complementary strengths, we are confident that this collaboration will enable us to deliver more efficient and reliable wind propulsion solutions to the global shipping industry, contributing to its decarbonisation goals.”

Heikki Pöntynen, CEO of Norsepower, said: “The demand for wind propulsion is growing rapidly as shipowners seek practical and proven ways to reduce fuel consumption and emissions. Expanding high-quality production capacity is therefore essential to meeting market needs. By deepening our cooperation with CHIC, we are creating a strong foundation for scaling Norsepower Rotor Sail™ production and accelerating the adoption of wind propulsion across global fleets.”

The partnership comes at a time when the maritime industry is facing increasing pressure to reduce greenhouse gas emissions and improve energy efficiency. Wind propulsion technologies such as Norsepower Rotor Sails™ are emerging as one of the most practical and scalable solutions to support the sector’s decarbonisation pathway.

By combining advanced wind propulsion technology with world-class manufacturing expertise, Norsepower and CHIC aim to accelerate the large-scale adoption of wind propulsion and contribute to the sustainable transformation of global shipping.

 

Photo credit: Norsepower
Published: 30 March, 2026

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Wind-assisted

Singapore-based EPS completes second bound4blue eSAIL® installation in fleet

Project marked Eastern Pacific Shipping’ first newbuild installation following a successful retrofit project on “Pacific Sentinel”, which a study confirmed average 8% net power reduction, 5.5% net fuel savings.

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Singapore-based EPS completes second bound4blue eSAIL® installation in fleet

bound4blue on Thursday (19 March) said the second installation of eSAILs® in Eastern Pacific Shipping’s (EPS) fleet has been completed with the fitting of three 22-metre-high units on MR tanker Pacific Sunstone at New Times Shipbuilding in Jiangsu Province, China. 

The project marked EPS’ first newbuild installation following a successful retrofit project on Pacific Sentinel. 

eSAILs® have surged in popularity within the tanker segment due to their simplicity, easing adoption for vessels with complex, ATEX-regulated environments. 

With smaller footprints than other solutions – eSAILs® generate lift up to seven times greater than conventional rigid sails of the same size – there’s no need for tilting systems and no impact on a vessel’s operational airdraft. The units are also non-ATEX, helping optimise costs.

José Miguel Bermúdez, CEO and Co-founder of bound4blue, describes it as “a winning combination” for a crucial segment.

“Tankers are integral to world trade, but, due to their complexity, can pose headaches in terms of decarbonisation. At bound4blue we’re committed to helping owners voyage towards sustainability, with mechanically simple, easy to install solutions that deliver both double digit fuel, and emissions, savings and easier regulatory compliance,” said Bermúdez. 

“A newbuild such as this is an exciting project, as it allows the vessel to set sail with the benefits of wind power woven into the ship’s DNA from day one. We’d like to thank EPS, and the yard, for their excellent cooperation in a fast, efficient and seamless process.”

Pacific Sunstone’s installation process was tailored to enable straightforward integration without major structural modification, or delays. 

The project also builds on the proven results from the Pacific Sentinel, where a six-month study by EPS and the Global Centre for Maritime Decarbonisation confirmed average 8% net power reduction, 5.5% net fuel savings, and peaks above 20% in favourable wind conditions. Notably, these results were achieved despite predominantly unfavourable winds, underscoring the robustness of the eSAIL® system and its potential for even greater savings on more favourable routes.

The installation also highlighted how wind-assisted propulsion systems can be integrated effectively across both retrofit and newbuild programmes.

All eSAIL® foundations and electrical connections were incorporated into the newbuilding programme, before the sails – manufactured in Spain – were shipped to China for a streamlined ‘plug and play’ connection process.

Now operational, the three units will provide reliable power to reduce main engine loads, saving OPEX (typical payback on eSAIL® installations is less than five years) and empowering regulatory compliance, with benefits across a broad range of frameworks such as CII, EU ETS, EEDI/EEXI and FuelEU Maritime, via the Wind Reward Factor.

Mirtcho Spassov, Decarbonisation Manager of EPS, said: “At EPS, we continue to explore and deploy new technologies that support the decarbonisation of our fleet. Our experience with Pacific Sentinel demonstrated the operational performance and practicality of the eSAIL® system, making the integration of the technology from the outset on Pacific Sunstone a natural step. 

“Working closely with bound4blue and New Times Shipbuilding, the system was incorporated seamlessly into this newbuild’s schedule, enabling efficient delivery while strengthening the vessel’s operational efficiency.”

 

Photo credit: Eastern Pacific Shipping
Published: 23 March, 2026

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