USNews.com reports: "Most people know that it comes from crops and that it's been around for a while. But advertisements touting ethanol, sponsored by General Motors and others, leave out a lot of the basics. "
This article provides a brief introduction to the alternative fuel known as Ethanol. It's written like an FAQ (frequently asked questions), so it might provide answers to some basic questions that you might have about the fuel.
Here is some additional reference material, if the article doesn't answer your questions: