Ethanol Powered Aircraft

Jay Honeck wrote:
...
Aside from the obvious stupidity of using more energy to make ethanol
than it actually produces, this is a fuel that we're apparently going
to be stuck with -- forever? -- for political reasons. We're gonna
have to live with it, somehow.
...
Does the production efficiency matter if the supply is unlimited or the
prices is really low? I don't know that it is, but but you may have
introduced a red herring with your rhetoric.