Just came across this a few minutes ago, Just an FYI:

http://planenews.com/modules.php?name=News&file=article&sid=528

Marathon Oil Warns Pilots Using Auto Gas in West Virginia.

Marathon Ashland Petroleum officials are warning pilots in West Virginia, and parts of Ohio and Kentucky, who use 87 or 89 octane auto fuel in their aircraft that the company has detected the presence of foreign materials in some of that fuel. Pilots using auto fuel in airplanes in those areas are asked to call 800-892-3418.