CMA Publishes Enhanced Road Fuel Monitoring Report August 2026

• The CMA has published its enhanced road fuel monitoring report for August 2026.
• The report assesses the impact of the conflict in the Middle East on UK road fuel prices, spreads, and margins from January 2025 to June 2026.
• The report includes data on fuel margins for supermarket and other fuel retailers from January 2025 to June 2026.
• The CMA relies on data gathered using its powers under the Digital Markets, Competition and Consumers Act 2024.

The CMA assessed the effect of the conflict on fuel prices and margins during May and June 2026, as well as the differences in retail petrol and diesel prices between various types of outlets.

The Competition and Markets Authority (CMA) has published its enhanced road fuel monitoring report for August 2026. The report provides an update on the impact of the conflict in the Middle East on UK road fuel prices, spreads, and margins from January 2025 to June 2026. The CMA assessed the effect of the conflict on fuel prices and margins during May and June 2026, as well as the differences in retail petrol and diesel prices between various types of outlets. The report also analyzes the drivers behind trends in prices and margins.

The enhanced road fuel monitoring report includes data on fuel margins for supermarket and other fuel retailers from January 2025 to June 2026, average UK pump prices and their components from January 2022 to July 2026, and aggregate inventories for the four largest supermarkets and nine non-supermarket retailers from December 2025 to June 2026. Additionally, the report provides an update on Fuel Finder compliance and enforcement.

The CMA relies on data gathered using its powers under the Digital Markets, Competition and Consumers Act 2024.

The CMA's enhanced road fuel monitoring report is based on data collected under the Digital Markets, Competition and Consumers Act 2024. This legislation grants the CMA the authority to gather information necessary for its investigations and enforcement actions. The report's findings are significant because they provide insight into the impact of external factors, such as the conflict in the Middle East, on UK road fuel prices and margins.

The data presented in the report is crucial for businesses operating in the fuel retail sector, particularly supermarkets and other fuel retailers. Understanding the trends and drivers behind fuel prices and margins can inform business decisions and ensure compliance with regulations.

Lawyers advising clients in the fuel retail industry should take note of the updated data on fuel margins, as it may impact their clients' business strategies and regulatory compliance.

The CMA's enhanced road fuel monitoring report has significant implications for businesses operating in the UK fuel retail sector. The report's findings can inform business decisions, ensure compliance with regulations, and help mitigate risks associated with fluctuations in fuel prices and margins.

The updated data on fuel margins is particularly relevant for supermarkets and other fuel retailers, as it provides valuable insights into market trends and drivers. This information can be used to optimize supply chain management, pricing strategies, and inventory levels.

Ultimately, the CMA's enhanced road fuel monitoring report demonstrates its commitment to ensuring fair competition in the UK fuel retail sector and protecting consumers from unfair practices.

Lawyers should note the updated data on fuel margins for supermarkets and other fuel retailers, which may impact their clients' business decisions or compliance with regulations.

Source: Original reporting via GOV.UK