Until was at least 10, I thought that when you dropped your fare into the box on public buses, the bus somehow converted the coins directly to fuel
A childhood belief about buses

others believed things like this
- The bus needed coins to run; it would melt them down and use them as fuelAnon
- I used to think when an airplane ran out of fuel, it stayed stuck in the sky.— BoB
- When my brother was 5 I use to swap a $5.00 note for lots of coins because he thought that I had more money— MATT NEWTON
- I used to think small furniture shops were basically cottage converted charity shops.Anon
- that if you rip a dollar coins come outAnon
- when i was a child,i used to believe that a "million" is a big bag full of coins— Kafka