Computed Wing Sail (CWS) – IWSA Member

CWS is developing an innovating wing sail system for cargo ships based on the patented inversion of an asymmetric form. This optimized aerodynamic sail is telescopic, fully automated and adaptable on existing vessels. It allows our … Read More

Oceanfoil – IWSA Member

Oceanfoil is the maritime technology company pioneering proven aerofoil solutions for the global commercial shipping fleet. Our technology is a propulsion-assist aerofoil sail, or “wingsail” that captures the power of the wind to generate renewable energy … Read More

Anemoi Marine Technologies – IWSA Member

Anemoi is a British company advancing the state of the art in Flettner Rotor technology, proving it can work for a sustainable future of shipping.

Anemoi is a British company advancing the state of the art … Read More

Go Sail Cargo – IWSA Associate Member

A 21st Century evolution of the cargo ketch. Nothing radical but a practical, efficient zero emission workhorse. 2 containers, 3 crew, 5 passengers.

Unashamedly designed to appeal to the accountants, the new clipper is set up … Read More

Micronesian Center for Sustainable Transport – IWSA Member

The Micronesian Center for Sustainable Transport (MCST) is an exciting initiative from the Republic of the Marshall Islands and the University of the South Pacific to achieve our transport emissions reduction targets set under the Paris … Read More

Schormanns Maritima – IWSA Associate Member

This sailing coaster or buoy tender/offshore supply vessel is in an advanced state of planning, with a 800GRT coaster as it’s base version, capable of delivering substantial fuel and emissions reductions.

Project Green Coastal Transport

Assembled … Read More

Center for Post Carbon Logistics – IWSA Supporter

The mission of the Center for Post Carbon Logistics is to provide the pragmatic means to survive the decades ahead and to provide the tools to transition to a more resilient, equitable, and sustainable world.

… Read More

EcoClipper – IWSA Member

EcoClipper is a specialist shipping company, that focuses on developing and launching a line of emission-free, square-rigged, sailing cargo ships.

EcoClipper will be scaling up the successes that are achieved by the current sailing cargo ships. … Read More

Mitsui O.S.K. Lines, Ltd – IWSA Member

MOL participates in the “Wind Challenger Project” (launched in 2009), a joint industry-academia research project led by the University of Tokyo. The project focuses on using advanced sails to provide propulsion for merchant vessels. It aims to … Read More

SailCargo Inc. – IWSA Member

Our mission is to direct the global maritime shipping industry towards carbon neutrality.  We will build & operate a combustion-free cargo sailing vessel by synthesizing old-world  ship building techniques with avant-garde energy & propulsion design. Our ship, Ceiba, will … Read More