US gasoline and diesel retail prices
The fuel price API covers weekly US retail averages and regional history. Source: U.S. Energy Information Administration
The fuel price API covers weekly US retail averages and regional history. Source: U.S. Energy Information Administration
What changed
- Added four REST and MCP operations under /v1/commodities/physical/series for discovery, series details, the latest price and observations.
- Added 20 weekly series for regular gasoline and No. 2 on-highway diesel. Each covers the US average and nine regions in USD per US gallon.
- History contains 12 weeks from 20 July through 5 October 2026. Updates follow the Monday survey. Responses retain dates, decimal-string prices, nullable publication dates, revisions and attribution.
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