{
  "url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/8n3/division/division-2./division-2.3./division-2.3.1.",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/8n3/division/division-2./division-2.3./division-2.3.1..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/8n3/division/division/2./division/2.3./division/2.3.1.",
  "kind": "division",
  "number": "2.3.1",
  "heading": "Determination of the fuel consumption correction coefficient Kfuel,FCHV",
  "text": "For NOVC-FCHVs, the fuel consumption correction coefficient Kfuel,FCHV, determined by driving a set of charge-sustaining Type 1 tests, is defined using the following equation:\nKfuel,FCHV=∑nCSn= 1ECDC,CS,n− ECDC,CS,avg×FCCS,nb,n− FCCS,nb,avg∑nCSn= 1ECDC,CS,n− ECDC,CS,avg2where:\nKfuel,FCHVis the fuel consumption correction coefficient, (kg/100 km)/(Wh/km);\nECDC,CS,nis the charge-sustaining electric energy consumption of test n based on the REESS depletion according to the equation below, Wh/km\nECDC,CS,avgis the mean charge-sustaining electric energy consumption of ncs tests based on the REESS depletion according to the equation below, Wh/km;\nFCCS,nb,nis the charge-sustaining fuel consumption of test n, not corrected for the energy balance, according to Table A8/7, step no. 1, kg/100 km;\nFCCS,nb,avgis the arithmetic average of the charge-sustaining fuel consumption of ncs tests based on the fuel consumption, not corrected for the energy balance, according to the equation below, kg/100 km;\nnis the index number of the considered test;\nncsis the total number of tests;\nand:\nECDC,CS,avg=1ncs×∑ncsn= 1 ECDC,CS,nand:\nFCCS,nb,avg=1ncs×∑ncsn= 1 FCCS,nb,nand:\nECDC,CS,n=ΔEREESS,CS,ndCS,nwhere:\nΔEREESS,CS,nis the charge-sustaining REESS electric energy change of test n according to paragraph 1.1.2. of this Appendix, Wh;\ndCS,nis the distance driven over the corresponding charge-sustaining Type 1 test n, km.\nThe fuel consumption correction coefficient shall be rounded to four significant figures. The statistical significance of the fuel consumption correction coefficient shall be evaluated by the approval authority.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/1151/annex/Sub/8n3/division/division/2./division/2.3./division/2.3.1.",
    "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."
}