{
 "source": "THRIVE Fleet Fuel Bill Index (base = week commencing 20 July 2026) - thrivefleet.co.uk/data/fuel-bill-index",
 "terms": "https://www.thrivefleet.co.uk/data/terms",
 "methodology": "https://www.thrivefleet.co.uk/data/fuel-bill-index",
 "unit": "index (100 = base week)",
 "weeks": [
  {
   "week": "2026-10-26",
   "index": 119.2,
   "diesel_ppl": 199.22
  },
  {
   "week": "2026-10-19",
   "index": 119.3,
   "diesel_ppl": 199.33
  },
  {
   "week": "2026-10-12",
   "index": 119.7,
   "diesel_ppl": 200.04
  },
  {
   "week": "2026-10-05",
   "index": 119.4,
   "diesel_ppl": 199.52
  },
  {
   "week": "2026-09-28",
   "index": 118.3,
   "diesel_ppl": 197.58
  },
  {
   "week": "2026-09-21",
   "index": 117,
   "diesel_ppl": 195.53
  },
  {
   "week": "2026-09-14",
   "index": 114.1,
   "diesel_ppl": 190.72
  },
  {
   "week": "2026-09-07",
   "index": 111.5,
   "diesel_ppl": 186.36
  },
  {
   "week": "2026-08-31",
   "index": 109.8,
   "diesel_ppl": 183.49
  },
  {
   "week": "2026-08-24",
   "index": 109.4,
   "diesel_ppl": 182.82
  },
  {
   "week": "2026-08-17",
   "index": 109.2,
   "diesel_ppl": 182.45
  },
  {
   "week": "2026-08-10",
   "index": 108.9,
   "diesel_ppl": 181.97
  },
  {
   "week": "2026-08-03",
   "index": 107.2,
   "diesel_ppl": 179.19
  },
  {
   "week": "2026-07-27",
   "index": 104.1,
   "diesel_ppl": 173.97
  },
  {
   "week": "2026-07-20",
   "index": 100,
   "diesel_ppl": 167.08
  }
 ]
}