{
  "query": {
    "country": "ES",
    "postcode": null,
    "area": "28",
    "town": null,
    "fuel": "methane"
  },
  "status": "ok",
  "price": {
    "currency": "EUR",
    "unit": "per kg",
    "value": 1.999,
    "measure": "median",
    "median": 1.999,
    "typical_low": 1.787,
    "typical_high": 2.099,
    "min": 1.749,
    "max": 2.199
  },
  "sample_size": 33,
  "period": {
    "from": "2026-10-14",
    "to": "2026-10-14"
  },
  "confidence": "medium",
  "price_type": "posted_pump_price",
  "as_of": "2026-10-14T17:23:23.505Z",
  "source": {
    "id": "es-fuel",
    "name": "Precios de carburantes en las estaciones de servicio terrestres",
    "publisher": "Ministerio para la Transición Ecológica y el Reto Demográfico (Geoportal de hidrocarburos), via datos.gob.es",
    "licence": "Spanish public-sector information reuse terms (Ley 37/2007, RD 1495/2011): reuse allowed with the source and update date cited. Exact licence text to be confirmed.",
    "licence_url": "https://datos.gob.es/en/catalogo/e05068001-precio-de-carburantes-en-las-gasolineras-espanolas",
    "attribution": "Source: Ministerio para la Transición Ecológica y el Reto Demográfico – precios de carburantes (datos.gob.es).",
    "url": "https://geoportalgasolineras.es/"
  },
  "method": "Median and 10th–90th percentile of the current pump price reported by each public filling station in the area for the selected fuel. Restricted-sale stations are excluded.",
  "method_url": "https://proofprice.com/method",
  "summary": "Compressed natural gas (CNG) in province 28 costs a median of €1.999 per kg right now; typical range €1.787–€2.099 across stations. Based on 33 records from Ministerio para la Transición Ecológica y el Reto Demográfico (Geoportal de hidrocarburos), via datos.gob.es (2026-10-14 to 2026-10-14). Confidence: medium.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "cheapest_stations": [
      {
        "id": "16194",
        "brand": "CEPSA LA GAVIA 365",
        "address": "AVENIDA GRAN VIA DEL SURESTE, 60",
        "town": "Madrid",
        "postcode": "28031",
        "price": 1.749
      },
      {
        "id": "14817",
        "brand": "BP TARAZA 365",
        "address": "CALLE MARC GENE, 2",
        "town": "Leganés",
        "postcode": "28914",
        "price": 1.769
      },
      {
        "id": "14808",
        "brand": "SHELL ATALAYUELA 365",
        "address": "CALLE GUADALCANAL, 36",
        "town": "Madrid",
        "postcode": "28031",
        "price": 1.769
      }
    ],
    "stations_counted": 33
  }
}