{
  "lastUpdated": "2026-09-27T20:24:49.979Z",
  "weekEnding": "2026-09-21",
  "gasolineUsdGal": 4.478,
  "gasolineChangeUsdGal": 0.159,
  "dieselUsdGal": 6.529,
  "dieselChangeUsdGal": 0.244,
  "series": {
    "gasolineUsdGal": {
      "id": "EMM_EPMR_PTE_NUS_DPG",
      "grade": "regular",
      "description": "US Regular All Formulations Retail Gasoline Prices, $/gal"
    },
    "dieselUsdGal": {
      "id": "EMD_EPD2D_PTE_NUS_DPG",
      "grade": "no2-diesel-all-types",
      "description": "US No.2 Diesel Retail Prices, on-highway all types, $/gal"
    }
  },
  "dataSource": "US Energy Information Administration (EIA)"
}