Are you sure that is what you are getting, or just the rumor?
In areas that require reformulated gasoline for smog, it is either going to still be MTBE (outlawed in some states) or ethanol.
Sorry, I posted an out of date map.
Here is the current version in pdf form. More states and areas now require ethanol.
http://www.exxon.com/USA-English/GFM/Files/US_Gasoline_Map.pdf