Originally Posted by eigenvector
I don't think it would be unreasonable to assume we are referring to E85 at this point. It's the only real topic being trotted out in the general news and currently has the greatest potential for the largest market of vehicles.
Gas stations already sell propane, natural gas, and E15. So I don't know what other alternative fuel they would offer other than E85.
I would dispute that. How about biobutanol? I'll grant that the news is hung up on ethanol because it is out there. But if butanol makes it to market (BP/DuPont are doing it, others will probably follow), the potential is that it will run in any vehicle at a higher blend rate, not just an FFV or specially modified car. Plus, you'd experience less of a drop in mpg switching from gas to butanol as opposed to gas to ethanol. In addition, butanol could also be transported in existing gasoline pipelines.
-Jim