{
  "url": "https://openlegislation.uk/eu-regulation-2011-582/annex-II/division-6/division-6.3",
  "json_url": "https://openlegislation.uk/eu-regulation-2011-582/annex-II/division-6/division-6.3.json",
  "legislation": "eur/2011/582",
  "legislation_title": "Commission Regulation (EU) No 582/2011 of 25 May 2011 implementing and amending Regulation (EC) No 595/2009 of the European Parliament and of the Council with respect to emissions from heavy duty vehicles (Euro VI) and amending Annexes I and III to Directive 2007/46/EC of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2011-582",
  "path": "annex/II/division/6/division/6.3",
  "kind": "division",
  "number": "6.3",
  "heading": null,
  "text": "The 90 % cumulative percentile of the exhaust emission conformity factors from each engine system tested, determined in accordance with the measurement and calculation procedures specified in Appendix 1, shall not exceed any of the values set out in Table 2.\nTable 2\nMaximum allowed conformity factors for in-service conformity emission testing\nFor compression-ignition engines.\nFor positive-ignition engines.\nPollutant\nMaximum allowed conformity factor\nCO\n1,5\nTHC\n1,5\nNMHC\n1,5\nCH4\n1,5\nNOx\n1,5\nPM mass\n—\nPM number\n—",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "For compression-ignition engines."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "For positive-ignition engines."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2011/582/annex/II/division/6/division/6.3",
    "retrieved_at": "2026-11-01T14:50:03.864087+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."
}