{
 "week": "2026-07-20",
 "release": "July 21, 2026",
 "next_release": "July 28, 2026",
 "unit": "USD per gallon, retail on-highway diesel, taxes included",
 "source": "U.S. EIA weekly on-highway diesel survey via the USDA AgTransport public mirror, cross-checked against eia.gov",
 "license": "public domain (U.S. government data)",
 "site": "https://weeklydiesel.com/",
 "regions": {
  "us": {
   "name": "United States",
   "padd": null,
   "price": 5.134,
   "change_1w": 0.338,
   "change_1y": 1.322
  },
  "east-coast": {
   "name": "East Coast",
   "padd": "PADD 1",
   "price": 5.194,
   "change_1w": 0.3,
   "change_1y": 1.373
  },
  "new-england": {
   "name": "New England",
   "padd": "PADD 1A",
   "price": 5.399,
   "change_1w": 0.21,
   "change_1y": 1.415
  },
  "central-atlantic": {
   "name": "Central Atlantic",
   "padd": "PADD 1B",
   "price": 5.37,
   "change_1w": 0.166,
   "change_1y": 1.395
  },
  "lower-atlantic": {
   "name": "Lower Atlantic",
   "padd": "PADD 1C",
   "price": 5.107,
   "change_1w": 0.359,
   "change_1y": 1.36
  },
  "midwest": {
   "name": "Midwest",
   "padd": "PADD 2",
   "price": 4.988,
   "change_1w": 0.329,
   "change_1y": 1.193
  },
  "gulf-coast": {
   "name": "Gulf Coast",
   "padd": "PADD 3",
   "price": 4.942,
   "change_1w": 0.396,
   "change_1y": 1.466
  },
  "rocky-mountain": {
   "name": "Rocky Mountain",
   "padd": "PADD 4",
   "price": 4.935,
   "change_1w": 0.335,
   "change_1y": 1.165
  },
  "west-coast": {
   "name": "West Coast",
   "padd": "PADD 5",
   "price": 5.877,
   "change_1w": 0.327,
   "change_1y": 1.335
  },
  "west-coast-less-california": {
   "name": "West Coast less California",
   "padd": null,
   "price": 5.362,
   "change_1w": 0.31,
   "change_1y": 1.186
  },
  "california": {
   "name": "California",
   "padd": null,
   "price": 6.471,
   "change_1w": 0.345,
   "change_1y": 1.508
  }
 }
}