The percentage of ethanol in Florida is 10%. There is supposed to be an exemption for marinas because the fiberglass tanks in boats will disintegrate with E10.

Around town i don't notice a lot difference in milage, but highway is a different story. The one thing that is odd is one of the cars has a slight shake at idle on ethanol, the uneven shake like it has a cam in it. Thought it needed a tune but i have talked to a few other people with similar problems.

Have not noticed any problems with the small engines.....yet.