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UN Rule No. 3
Technical Inspection of Vehicles powered by Natural Gas

Proposals for new Rule on Periodical Technical Inspections of motor vehicles using Compressed Natural Gas (CNG) and/or Liquefied Natural Gas (LNG) in their propulsion system

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Revisions and Amendments

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Development of the Regulation

Pending Changes to Rule No. 3

Latest Documents

5 Jan 2020
UN Rule 3: Proposal for an amendment | WP.29/2020/39
20 Jun 2019
Minutes of the 14th PTI informal group session | PTI-14-06/Rev.1
9 Apr 2018
PTI: Proposal for UN Rule No. 3 on natural gas fueled vehicle inspections | WP.29/2018/70
See all 16 related documents

Latest Meeting Discussions

World Forum for the Harmonization of Vehicle Regulations | Session 180 | 9-12 Mar 2020
World Forum for the Harmonization of Vehicle Regulations | Session 176 | 12-16 Nov 2018
World Forum for the Harmonization of Vehicle Regulations | Session 175 | 18-22 Jun 2018
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