Supermarket Fuel Margins - comment

Despite the CMA report, better fuel margins will persist for some time. The CMA's open fuel pricing proposal (via apps) requires legislation, which takes time. Supermarkets have used higher fuel margins to help subsidise price support programs in their grocery business. The CMA blamed price rises after ASDA and Morrisons were acquired. Competitors then mirrored the higher prices.

https://www.gov.uk/government/news/cma-sets-out-plan-to-help-drivers-get-more-competitive-fuel-prices