368
Electric Boat Costs 40–50€ to Cross Baltic Sea, vs 750€ Refueling Gas Boat
(cleantechnica.com)
This is a most excellent place for technology news and articles.
A sail boat does the same distance for free
I actually would have typed that into my comment too, but i have no knowledge of how much slower a wind powered boat would travel upwind or how dependent performance would be on wind. I totally understand the need for mechanically powered transportation instead of using wind. My comment is mainly targeted at the misleading comparison.