I don't know the name of it, their was a bunch
of buzz about it on the board about 2 months ago when it started getting added to the fuel in lots of areas 'cause it was dissolving fiberglass tanks.I think its Ethanol:http://www.uscgboating.org/waypoints/archived/nov05/art2_gasoline.htmi may have been mistaken, according to the BOAT US article it was in gas only, not diesel.