petroliana
n.— «That’s spawned a legion of hobbyists who hoard auto-related collectibles. People go crazy over what’s called “petroliana,” service station artifacts like signs, gas pumps and globes, oil cans, car wax tins and road maps.» —“Hershey: The World’s Largest Automotive Swap Meet. If You Can’t Find It Here, You Probably Don’t Need It.” by Ken Gross Edmunds Inside Line Oct. 17, 2005. (source: Double-Tongued Dictionary)
Further reading
The slang term 4-55 air conditioning is means cooling a car by driving fast with all the windows down. This is part of a complete episode.
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