The return of sail-based cargo ships?

https://www.slashgear.com/oceanbird-can-carry-7000-cars-and-is-powered-by-the-wind-16638354/?fbclid=IwAR1QnTQFJwbF4bIoPSfZz8I6YUMD04mJPOH8A2bYWZ7UXXH2gwnYmcn0SSs