Favourite Automotive Smells

[RebelRaven]

I know it's a bit of an odd subject, but I just thought it would be nice to know that I'm not the only one that has a liking for vehicular smells... Plus, I'm rather bored after a long day being covered in polish and cataloy dust and slicing my hand open with... a cup lol

Not really any rules, just as long as there's an automotive theme.
I'll start with a few of mine

Petrol
Exhaust from a cold or rich running engine
Polish
The valeting cupboard at work (Valeting products)
WD-40
Cataloy/Filler
Lacquer