willysmjeeps.com

I have to check the station listed for my area but it looks promising given the post by people in the details.
http://pure-gas.org/index.jsp

There was an article I saw today, forget where, that said a group has been actively lobbying the EPA to not require ethanol gasoline this Summer/Fall. The drought has driven up corn prices by over 60%, negatively impacting fuel and food prices.