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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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Anemoi unveils state-of-the-art rotor sail production facility in China

Site boasts an annual production capacity of 250 Rotor Sails, and the option to expand further and store units for fast turnaround.

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Anemoi Rotor Sail production facility MT

Wind propulsion solutions provider Anemoi Marine Technologies on Tuesday (8 July) officially opened its new Rotor Sail production facility in China.

Strategically located on the banks of the Yangtze River, Anemoi’s facility is located in Jingjiang City, Jiangsu Province, within Daming Heavy Industry’s manufacturing base.

The facility provides direct access to port infrastructure, enabling seamless logistics for import, export, and delivery.

With barge transport available on-site, Rotor Sails can be transported efficiently and installed directly at nearby major shipyards, streamlining operations and minimising environmental impact.

“This is more than just a new site,” said Clare Urmston, CEO of Anemoi.

“It’s a fully integrated, end-to-end production hub where every stage, from steel fabrication and precision assembly to rigorous testing and quality assurance, is handled under one roof.

“That means faster turnaround, uncompromised quality, and complete oversight by our expert team, on site, from start to finish. Anemoi’s strategy is quality first and this site enables exactly that.”

With an annual production capacity of 250 Rotor Sails, and the option to expand further and store units for fast turnaround, the new site positions Anemoi to meet surging global demand and support its customers in achieving critical decarbonisation goals.

 

Photo credit: Anemoi Marine Technologies
Published: 10 July 2025

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LDA-owned Ro-Ro achieves daily fuel savings of 1.7 mt with bound4blue eSAIL

Vessel had three bound4blue suction sail units installed in 2024, and BVS assessed the savings over a year, showing an average daily fuel saving of 1.7 mt, with peak savings of as much as 5.4 mt per day.

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LDA-owned Ro-Ro achieves daily fuel savings of 1.7 mt with bound4blue eSAIL

bound4blue on Wednesday (25 June) has underlined the business case for adopting eSAIL® wind propulsion technology, with the release of BVS assessed operational fuel savings on the Louis Dreyfus Armateurs (LDA) owned Ro-Ro Ville de Bordeaux.

The vessel, chartered by Airbus, had three 22-meter bound4blue suction sail units installed in 2024. BVS assessed the savings over a year, showing an average daily fuel saving of 1.7 metric tonnes (mt), with peak savings of as much as 5.4 mt per day.

These savings are consistent with bound4blue’s initial projections and with the results obtained by LDA using its own methodology, which was grounded in real-time measurements – including fuel consumption data – and incorporated actual weather conditions to ensure accuracy.

The savings reported on the vessel, which transports Airbus subassemblies from Europe to the United States, were achieved without relying on weather routing and did not account for the significant regulatory advantages of adopting wind propulsion.

David Ferrer, CTO of bound4blue, said the newly assessed results demonstrated the tangible impact of eSAILs® for an industry in transition.

“We’re thrilled to see this hard-working vessel making significant daily savings, with really exciting peak numbers that demonstrate huge potential,” Ferrer said. 

“These results showcase how existing vessels – and not just newbuilds that have been designed for energy efficiency and wind propulsion – can harness this clean, renewable and accessible power source for transformative benefits.”

“The Ville de Bordeaux is a specialised, Ro-Ro vessel, providing continuous logistics solutions for the aeronautic industry, but the eSAILs® ability to generate lift from shallow angles means the system produced compelling results day-in day-out. This has been a great project, and we’d like to thank all our partners for their support and collaboration.”

 

Photo credit: bound4blue
Published: 27 June, 2025

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Alternative Fuels

GCMD-BCG survey: 77% of shipowners, operators view net zero as high strategic priority

Survey also found the use of bio-blended bunker fuels has more than doubled to 46% and methanol use has increased from 3% to 6% but uptake of more nascent technologies such as ammonia remains limited.

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GCMD-BCG survey: 77% of shipowners, operators view net zero as high strategic priority

The Global Centre for Maritime Decarbonisation (GCMD) on Wednesday (11 June) said a survey found 77% of shipowners and operators now consider achieving net zero a high priority in their strategy, up from 73% two years ago.

This was among the findings of the second edition of the Global Maritime Decarbonisation Survey, jointly conducted by GCMD and Boston Consulting Group (BCG) between October 2024 and February 2025.

The survey gathered 114 responses from shipowners and operators across a range of vessel types, fleet sizes, and regions. While the survey was conducted before the International Maritime Organization’s (IMO) MEPC 83 session in April, its findings already reflected sustained commitment across the industry. The outcomes of MEPC 83—introducing new regulatory targets and incentives—are expected to reinforce these ambitions and further accelerate momentum.

Survey results show that 60% of respondents have now set net-zero targets (up from 54%), while the use of bio-blended fuels has more than doubled to 46%, and methanol use has increased from 3% to 6%. However, uptake of more nascent technologies—such as ammonia, wind-assisted propulsion systems, solar panels, super-light ships, and air lubrication—remains limited.

The survey also reflects the industry’s desire for policies and regulations to create a level playing field. Nearly three-quarters of respondents identified either compliance measures or financial incentives as the most important policy objectives. A level playing field will ensure that early adopters are not competitively disadvantaged on cost and stakeholders with limited resources can benefit from financial support to overcome economic barriers.

The survey also gathered insights from key bunkering ports, whose support is critical for maritime decarbonisation. Most surveyed ports have roadmaps and dedicated teams focused on initiatives to facilitate maritime decarbonisation, and all of them, namely Port of Antwerp-Bruges, Port of Long Beach, Port of New York and New Jersey, Port of Rotterdam, and Port of Singapore, offer green incentives. 

A significant concern for ports, however, is the lack of demand certainty from shipping companies for both low-carbon fuels and Onboard Carbon Capture Systems (OCCS). This ‘chicken-and-egg’ dilemma hinders ports to take on the investment decision to develop the requisite infrastructure, though the recently introduced GHG pricing mechanism is expected to strengthen demand signals for low-carbon fuels.

Dr Sanjay C Kuttan, Chief Strategy Officer of GCMD, said, “Positive developments in maritime policy, especially from the IMO, which further tighten limits on GHG emissions, along with the increased ambitions voiced by survey respondents, are encouraging signals. Greater cooperation with the ports and pertinent stakeholders across the various value chains will be required to address challenges across the broader ecosystem. With the right investments and collaborative actions, the maritime industry can chart a course to a future where sustainable decarbonisation and commercial success can co-exist.

Anand Veeraraghavan, Managing Director and Senior Partner of BCG, said, “It is encouraging to see that even in the face of global uncertainties, the maritime industry’s decarbonisation ambitions remain intact and steadfast. The recent MEPC outcomes mark a pivotal step forward, sharpening demand signals with incentives for exceeding compliance goals and penalty mechanisms for shortfalls. Now is the time for the industry—both ships and ports—to build on this momentum.

Note: The second edition of the GCMD–BCG Global Maritime Decarbonisation Survey report can be viewed here

 

Photo credit: Lukas Blazek on Unsplash
Published: 12 June, 2025

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