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bound4blue Purveyors of a suction sail system designed specifically for assisted clean propulsion of vessels! ⛵️

We cannot envision a future in which the dependence on fossil fuels and the emissions of CO2 and other polluting gases are still an issue. That is why we have rolled up our sleeves and have started working on solutions that will drive that dependence out of ship transport and, in the future, of the production of hydrogen and oxygen. For years, we have worked on the design of a rigid wingsail technology applicable to the maritime transport in order to reduce the fuel consumption and the emissions level. Also, we are working on an alternative application of the wingsail technology to design in the future a boat propelled by these wingsails, capable of producing hydrogen and oxygen by means of the electrolysis of seawater in a clean and cost-efficient way.

22/04/2026

A first on many levels, and one we won’t forget 💥

We have installed two 24-metre eSAILs® on MV Baltazar at New Yangzi Shipbuilding, the latest vessel in Klaveness Combination Carriers’ CABU III series.

This project marks several important milestones:
✅Our first eSAILs® manufactured locally in China
✅The first-ever 24m Model 3 units
✅The first tanker/dry bulk vessel with wind propulsion

It shows how even highly efficient vessels can go further - using clean, abundant wind power to deliver environmental and commercial benefits 🌬️

A big thank you to Klaveness Combination Carriers and New Yangzi Shipbuilding for their trust and collaboration throughout the project.

🎥 Check out the full press release and video here:
🔗 https://bound4blue.com/esail-installation-mv-baltazar-klaveness/

Now it’s time to let the wind do its part!

19/03/2026

🚨 We’ve been holding this one for a few weeks… 🚨

Eastern Pacific Shipping Pte. Ltd. has now completed its second eSAIL® installation, this time on the newbuild MR tanker EPS Pacific Sunstone, at New Times Shipbuilding in China.

And this one is special because the vessel was designed with wind propulsion from the very beginning.

Here’s what stands out:
✔️ First-ever newbuild equipped with eSAILs® for EPS
✔️ Simple, non-ATEX, high-lift technology perfectly suited for tankers
✔️ Builds on proven results from the retrofit on Pacific Sentinel

💬 José Miguel Bermúdez, our CEO and co-founder, said:
“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.”

🗣️ Mirtcho Spassov, Decarbonisation Manager of EPS, added:
"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.”

This installation reinforces the scalability, flexibility, and real-world efficiency of eSAILs®, helping tankers reduce fuel consumption, cut emissions, and achieve regulatory compliance from day one.
A big thank you to EPS and the yard for the collaboration.

🔗 Full story here: https://bound4blue.com/eps-esail-installation-newbuild-pacific-sunstone/

…And we’re not done yet, more good news coming soon!

26/01/2026

We’ve completed the first eSAIL® installation under our agreement with Maersk Tankers.

Four 24-metre suction sails are now installed on the Maersk Trieste. This is the first of five MR tankers that will sail with our wind propulsion system as part of this rollout.

The installation was carried out in two steps, with vessel preparation completed in China and final installation and commissioning in Belgium. A practical approach that helped minimise downtime and fit smoothly within tanker operations, including ATEX-regulated environments.

For us, this marks an important moment. Not a pilot, and not a one-off, but the start of a rollout designed to bring wind propulsion through our eSAILs® into everyday shipping operations.

Thanks to Maersk Tankers for the trust, and to Njord, Yiu Lian Shipyard, EDR Shipyard, and everyone at bound4blue involved in making this first installation happen.

One vessel already able to harness the power of wind, and four more to follow.

🔗 You can read more about the installation here: https://bound4blue.com/bound4blue-first-esail-installation-maersk-tankers

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