Contain enough denatured ethanol such that the actual ethanol content is no less than 8.0 and no more than 10.0 volume percent.
Interesting that "toptiergas" is mandating gasohol.
Good for cleaning the engine, cleaner burning, won't pollute waterways like MTBE, but lose a couple of MPG in fuel economy.
http://radio.weblogs.com/0123486/myI...peach-bush.jpg