{
  "url": "https://openlegislation.uk/passenger-car-fuel-consumption-order-1983/schedule-1",
  "json_url": "https://openlegislation.uk/passenger-car-fuel-consumption-order-1983/schedule-1.json",
  "legislation": "uksi/1983/1486",
  "legislation_title": "The Passenger Car Fuel Consumption Order 1983",
  "legislation_url": "https://openlegislation.uk/passenger-car-fuel-consumption-order-1983",
  "path": "schedule/1",
  "kind": "schedule",
  "number": "1",
  "heading": "LIST OF TECHNICAL CHARACTERISTICS DEFINING CLASS",
  "text": "Reference mass.\nInternal characteristics of the engine affecting its power-speed curve (eg compression ratio, valve characteristics).\nType of fan and its method of drive (eg electrical, mechanical).\nType of aspiration (eg natural, turbocharged, supercharged).\nFuel feed system (eg number of carburettors, types of carburettors, injection system).\nIgnition characteristics (eg diesel, conventional spark ignition, electronic spark ignition, ignition timing, distributor advance curve).\nType of transmission (eg manual, automatic, 4 × 4, front or rear wheel drive).\nNumber of gears (eg 4, 4 with overdrive, 4 with range change, 5).\nFinal drive ratio.\nSpeed of car for each gear ratio (including overdrive) at an engine speed of 1000 rpm.\nType of bodywork, including any aerodynamic aids (eg saloon, coupé, estate, hatchback, sports, with or without spoilers).\nType of tyre (eg normal/low resistance).\nDevices and equipment whose object is to influence fuel economy (eg engine stop devices, automatic freewheels, cylinder cut out devices).\nNB. The examples given of various technical characteristics are not intended to be exhaustive.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Order revoked (E.W.S.) (31.12.2013) by The Control of Fuel and Electricity, Local Government and Transport (Revocations and Savings) Order 2013 (S.I. 2013/2986), art. 1, Sch. 3"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 1 in force at 15.11.1983, see art. 1"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1983/1486/schedule/1",
    "retrieved_at": "2026-10-29T17:56:50.432700+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}