In all honesty I couldn't post this anywhere else:

http://cgi.ebay.co.uk/CONVERT-a-petrol-diesel-lpg-CAR-to-run-on-red-WATER_W0QQitemZ150190410683QQihZ005QQcategoryZ36086QQssPageNameZWDVWQQrdZ1QQcmdZVi ewItem

Perfect for amphibious vehicles or what?