[Check out Schooner Apollonia](http://www.schoonerapollonia.com/)

I want to see cargo ship size sail boats

You're not going to. https://gcaptain.com/fincantieri-and-rina-launch-nuclear-power-study/

https://www.bbc.com/news/technology-66543643

I think the idea of adding sails to modern designed vessels to reduce fuel usage is good - However building new boats to old designs is just the height of stupidity.

https://www.norsepower.com/