Not knocking you, but both polyester and epoxy are based on oil. Glass and other fibers are energy intensive to produce. How is the rotomoulding process compared to fiberboats? Oil based raw materials? More or less energy demanding?

Sailing is viewed as a clean pasttime, but perhaps we better go back to lapstrake boats and cotton sails <img src="http://www.catsailor.com/forums/images/graemlins/wink.gif" alt="" />