Some info here.
http://www.raa.net/page.asp?TerID=146
The thing that will keep me off it is because it's just a way to make money for the 'boys'... the only reason we're getting ethanol is because we can produce it, howard's mates make it, they whack a tariff on it to stop cheap shit coming in from brasil.. ... there's no reason to use it other than that? Maybe reducing emissions but if you wanted to reduce emissions wouldn't you just switch to full ethanol?