I tracked 7,700 UK petrol stations every 10 minutes for 3 months

· ai · Source ↗

TLDR

  • Independent developer built a price-change tracker on the mandatory UK Fuel Finder API, storing 90k records across 7,700 stations since January to expose behavioral patterns.

Key Takeaways

  • Data sourced from the UK Fuel Finder scheme, mandated under the Data (Use and Access) Act 2025 and enforced by the CMA.
  • Station operators must legally report price changes within 30 minutes, making the feed high-fidelity for behavioral analysis.
  • The platform surfaces motorway premium, supermarket discount, and brand comparisons from live price averages.
  • Built by one independent developer; not affiliated with government, the Fuel Finder scheme, or any retailer.

Hacker News Comment Review

  • The site went down under HN traffic load, prompting jokes that hosting on Azure was the root cause.
  • One commenter ran a 10-year personal fuel purchase log and found retail prices tracked spot market prices almost identically after adjusting for currency, units, and taxes, undercutting the “vast station profits” narrative.

Notable Comments

  • @appreciatorBus: 10-year personal dataset mapped against spot market data suggests station margins are thin, not the profit center commonly assumed.

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