Comment by rexreed

How about a wind-powered boat powered completely without any batteries or oil at all? Let's call it... a sailboat. Are we just going back in time to when sail-powered ships powered commerce? Of course a sail-powered container ship might not be as viable, but I'd love to see a 16-masted sailing behemoth. The Wikipedia article about the Thomas W. Larson makes for interesting reading: https://en.wikipedia.org/wiki/Thomas_W._Lawson_(ship)