The century-old ship sail technology finally catching on
Published: 10/13/2025

Discover the resurgence of century-old sail technology with Flettner rotors, originally demonstrated in 1925 to harness wind power for fuel efficiency. Today, over 35 commercial freight ships are adopting these rotors to enhance fuel efficiency and reduce carbon emissions. With modern advancements like carbon fiber materials and efficient motors, Flettner rotors offer up to 20% fuel savings and are gaining traction in the maritime industry to meet decarbonization goals.



