Which is faster, crossing the Pacific in the best foiling sailboat or one powered by petroleum (i.e. excluding reactor power)? We know what’s cheaper and cleaner.
Edit: The question is a little facetious but I’m really interested in the technology here. Sailboats aren’t what they used to be, and while building then as they were is charming there is nothing practical about it. And, yes, I actually know my “futtocks”.