Earlier quoted context omitted.
Cool link, thanks! Unfortunately they went bankrupt and the tech now belongs to what was their first and only customer, K Line.
That's such a disappointment, I always had higher faith in the kites than the sails. Just seems easier to retrofit on existing ships witouth taking too much of the cargo capacity. But are you sure they are bankrupt? The Internet claims "The company says the purpose of the acquisition, for which the price was not reported, is to strengthen the development and commercialization of “Seawing,” the automated kite system".…
They are still developing the technology:
https://www.offshore-energy.biz/k-line-automated-kite-system...