{
  "url": "https://openlegislation.uk/eu-regulation-2017-656/attachment-10/division/division-2./division-2.4./division-2.4.15.",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-656/attachment-10/division/division-2./division-2.4./division-2.4.15..json",
  "legislation": "eur/2017/656",
  "legislation_title": "Commission Implementing Regulation (EU) 2017/656 of 19 December 2016 laying down the administrative requirements relating to emission limits and type-approval of internal combustion engines for non-road mobile machinery in accordance with Regulation (EU) 2016/1628 of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-656",
  "path": "attachment/10/division/division/2./division/2.4./division/2.4.15.",
  "kind": "division",
  "number": "2.4.15",
  "heading": "Dual-fuel engines",
  "text": "All engine types within a dual-fuel engine family shall belong to the same type of dual-fuel engines defined in section 2 (for example type 1A, type 2B, etc.), and operate with the same types of fuel or when appropriate with fuels declared according to this Regulation as being of the same range(s).\nIn addition to belonging to the same dual fuel type, they shall have a maximum gas energy ratio on the applicable test cycle (GERcycle) within the range 70 to 100 per cent of that of the engine type with the highest GERcycle.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/656/attachment/10/division/division/2./division/2.4./division/2.4.15.",
    "retrieved_at": "2026-11-01T14:45:00.332252+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."
}