I think there is some interesting truth to this line of thinking, though it is misguided. To some degree, a diesel ship is not an all-out improvement over a sai

I think there is some interesting truth to this line of thinking, though it is misguided. To some degree, a diesel ship is not an all-out improvement over a sailboat. It outsources much of its cost to the environment. In this manner it is a tradeoff.