Groundbreaking Study Finds that Certain Ethanol Blends can Provide Better Fuel Economy than Gasoline...
This study by ACE showed that vehicles can actually show an increase in fuel economy vs. 100% gasoline at different ethanol blend levels (E20 or E30 in this study, depending on the automobile model.)
Here's a link to the press release at ACE.
http://www.ethanol.org/news/index.php?newsid=25
Once there, you can also donwload the entire study in .pdf form.
I wonder how this is possible?