{
  "url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/4/division/division-5./division-5.2./division-5.2.2.",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/4/division/division-5./division-5.2./division-5.2.2..json",
  "legislation": "eur/2017/1151",
  "legislation_title": "Commission Regulation (EU) 2017/1151 of 1 June 2017 supplementing Regulation (EC) No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information, amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) No 1230/2012 and repealing Commission Regulation (EC) No 692/2008 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-1151",
  "path": "annex/Sub/4/division/division/5./division/5.2./division/5.2.2.",
  "kind": "division",
  "number": "5.2.2",
  "heading": "The default road load force shall be calculated using the following equation:",
  "text": "Fc=f0+ f1× v+ f2× v2\nwhere:\nFcis the calculated default road load force as a function of vehicle velocity, N;\nf0is the constant road load coefficient, N, defined by the following equation:\nf0=0,140× TM;\nf1is the first order road load coefficient, N/(km/h), and shall be set to zero;\nf2is the second order road load coefficient, N/(km/h)2, determined using the following equation:\nf2=2,8× 10− 6× TM+0,0170× width× height;\nvis vehicle velocity, km/h;\nTMtest mass, kg;\nwidthvehicle width as defined in 6.2. of Standard ISO 612:1978, m;\nheightvehicle height as defined in 6.3. of Standard ISO 612:1978, m.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Regulation (EU) 2018/1832 of 5 November 2018 amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) 2017/1151 for the purpose of improving the emission type approval tests and procedures for light passenger and commercial vehicles, including those for in-service conformity and real-driving emissions and introducing devices for monitoring the consumption of fuel and electric energy (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/1151/annex/Sub/4/division/division/5./division/5.2./division/5.2.2.",
    "retrieved_at": "2026-11-01T14:44:48.753743+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."
}