Mary! you help to look after the environment responsibly by sailing instead of powering along at sea in a "stink boat", but then you, by your own admission pump all that black, foul smelling, pollutant into the air, and all over your boat as well. (Whooo perhaps it is spooky mother nature trying to tell you some thing? Perhaps she is saying "MAARYY, MAARYY, PLEASE MAARYY get a new , non polluting way of moving on the road"