During the refinery blockades in the UK, early 200s, a local garage put its prices up to £2.00 the litre. (£11.00 the Imperial gallon). Nothing unlawful about this, you understand, because petrol was scarce.

Six months after, that garage was up for sale, the proprietor filed for bankruptcy, and there is now a Tesco express shop on that site.

What goes around, comes around . . .