an 'almost' non-existant bumper sticker that I may have the only copies of....during the big gas crisis of the 70s when the USA imposed a national speed limit, the EPA issued some cute, inspirational, bumper stickers that said:

"Driving 55 is Chic- Driving 75 is Sheik"


they were released for about 2 days, but never got further than headquarters building in Wash DC...I got 2 before they came to their senses and confiscated the rest.