{
  "url": "https://openlegislation.uk/eu-decision-2017-1442/annex/division-4/division-4.1/division-4.1.2/division-3",
  "json_url": "https://openlegislation.uk/eu-decision-2017-1442/annex/division-4/division-4.1/division-4.1.2/division-3.json",
  "legislation": "eudn/2017/1442",
  "legislation_title": "Commission Implementing Decision (EU) 2017/1442 of 31 July 2017 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council, for large combustion plants (notified under document C(2017) 5225) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2017-1442",
  "path": "annex/division/4/division/4.1/division/4.1.2/division/3",
  "kind": "division",
  "number": "BAT 43",
  "heading": "In order to prevent or reduce NOX emissions to air from the combustion of natural gas in engines, BAT is to use one or a combination of the techniques given below.",
  "text": "Technique\nDescription\nApplicability\na.\nAdvanced control system\nSee description in Section 8.3.\nThis technique is often used in combination with other techniques or may be used alone for combustion plants operated < 500 h/yr\nThe applicability to old combustion plants may be constrained by the need to retrofit the combustion system and/or control command system\nb.\nLean-burn concept\nSee description in Section 8.3.\nGenerally used in combination with SCR\nOnly applicable to new gas-fired engines\nc.\nAdvanced lean-burn concept\nSee descriptions in Section 8.3\nOnly applicable to new spark plug ignited engines\nd.\nSelective catalytic reduction (SCR)\nRetrofitting existing combustion plants may be constrained by the availability of sufficient space.\nNot applicable to combustion plants operated < 500 h/yr.\nThere may be technical and economic restrictions for retrofitting existing combustion plants operated between 500 h/yr and 1 500 h/yr",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2017/1442/annex/division/4/division/4.1/division/4.1.2/division/3",
    "retrieved_at": "2026-11-01T15:13:23.628050+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."
}