Authors:

A rental car is basically an ashtray on wheels.

Scott Adams (2007). “Stick to Drawing Comics, Monkey Brain!: Cartoonist Explains Cloning, Blouse Monsters, Voting Machines, Romance, Monkey G ods, How to Avoid Being Mistaken for a Rodent, and More”, p.448, Penguin
A rental car is basically an ashtray on wheels.