Trucking and Kuda UK are offering up a cool Indel B in-cab fridge worth £345 (plus VAT) as a prize in this Christmas competition.

This 18-litre portable unit just plugs in and is ready to go, and its huge capacity means you will have plenty of room for all of your snacks and drinks!

How to enter

To be in with a chance of winning, answer this multiple-choice question and click the button below to leave your entry:

Q) In which year did William Cullen demonstrate the first artificial refrigeration system at the University of Glasgow?

A) 1654
B) 1748
C) 1822