{
  "url": "https://openlegislation.uk/eu-regulation-2017-2400/annex-V/division-5/division-5.1",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-2400/annex-V/division-5/division-5.1.json",
  "legislation": "eur/2017/2400",
  "legislation_title": "Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-2400",
  "path": "annex/V/division/5/division/5.1",
  "kind": "division",
  "number": "5.1",
  "heading": "Calculation of engine work",
  "text": "Total engine work over a cycle or a defined period shall be determined from the recorded values of engine power determined in accordance with paragraph 3.1.2 of this Annex and paragraphs 6.3.5 and 7.4.8 of Annex 4 to UN/ECE Regulation 49 Rev.06.\nThe engine work over a complete testcycle or over each WHTC-sub-cycle shall be determined by integrating of recorded values of engine power in accordance with the following formula:\nW act,i = 1 2 P 0 + P 1 + P 2 + … + P n − 2 + P n − 1 + 1 2 P n h where:\nWact, i total engine work over the time period from t0 to t1\nt0 time at the start of the time period\nt1 time at the end of the time period\nn number of recorded values over the time period from t0 to t1\nPk [0 … n] recorded engine power values over the time period from t0 to t1 in chronological order, where k runs from 0 at t0 to n at t1\nh interval width between two adjacent recorded values defined by h = t 1 − t 0 n",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Regulation (EU) 2019/318 of 19 February 2019 amending Regulation (EU) 2017/2400 and Directive 2007/46/EC of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/2400/annex/V/division/5/division/5.1",
    "retrieved_at": "2026-11-01T14:44:20.922900+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."
}