Well, whether by weight or by volume, I'm not sure, but as an actual practical matter in the field, ethanol definitely has higher heat content.

If you guys get around to doing quantity boil tests (what amount is required to boil X amount of water of methanol vs. ethanol), I'd love to see your numbers. The won't be exactly the same because so much depends on the set up used and the conditions in which the test was conducted, but they should still show the general trend of being able to use an appreciably smaller amount of fuel with a high ethanol content blend.

HJ

P.S. Anyone in LA want to hook me up with reagent grade ethanol for my tests?