Ive heard that adding acetone to your fuel will increase the MPG upto 35%. How true is it not sure yet still researching it. Make for an interesting read though. I first heard it on this board
M715ZONE
here are some of the links in that discussion.
http://www.industrialnewsupdate.com/...ne_in_fuel.php
http://www.chemicalforums.com/index....;threadid=2517