Do you top off your gas tank and overfill it? Topping off your gas tank is bad for the environment. Here's why...

http://www.epa.gov/donttopoff/

Index of Mid-Atlantic SIPs. Don't Top Off Your Gas Tank! Title V Air Operating Permit Public Petition ... Mid-Atlantic Air Protection Division Contacts & Specialists. Our Mission

http://www.epa.gov/reg3artd/index.htm

Don't Top off Your Gas Tank ... Air Manager Francine Carlini said that the purpose of the Don't Top Off ... gas stations. AAA Mid Atlantic will make available "Don't Top Off ...

http://enviro.blr.com/environmental-news/air/mobile-sources/Dont-Top-off-Your-Gas-Tank-Save-Money-at-the-Gas-/