Claim: Buying petrol first thing in the morning provides better value for money as cold fuel has a higher density and therefore greater volume.
Fact-check: Popular tips on filling cars with petrol don't offer big savings - Full Fact
Verdict: false. petrol stations store their fuel in underground tanks where the temperature remains constant, even when the outside weather is particularly hot or cold.
Organisation: Full Fact
Author: Tony Thompson
Date published: 2022-06-21T00:00:00