I just happened across this article that a news station in the Dallas area ran. Give it a read, seriously. http://dfw.cbslocal.com/2011/05/12/...ter-lower-octane-at-north-texas-gas-stations/ I've known about this happening, but I didn't realize the enforcement was in place as much as the story says. I'm sure this scenario plays out the same across the entire USA. I think this should be policed a bit more, but I don't think the general public cares enough.