Brazil also uses compressed natural gas and Propane.
As cited above: "And as far as the octane, e85 is has a rating or 105. End of story."
Again, corn isn't the only feedstock available. Pretty much any cellulose structure can be used. Sugar, algae, trees, the list goes on. Algae is a good place to look, as some strains grow very quickly.
Germans the best engineers in the world? Why can't they build a reliable car? THAT is why they're having wear issues. The can't get a gasoline engine to last, much less ethanol. Strangely, they can build diesels, but that's neither here nor there.
Also, most companies don't seem to be using alcohol rated parts. A few years ago, this was common. Now, not so much.
1. Stop assuming corn is the only feedstock
2. Cite more current data
3. We're running out of oil, plain and simple. Supply and demand. Gasoline will reach the point where no one can afford it, and the global economy would begin to collapse. We have to research alternative NOW, not when we deplete the oil from the earth's crust.