Uniform Provisions Concerning the Approval of:
I Specific LPG (Liquefied Petroleum Gases) Retrofit Systems to be Installed in Motor Vehicles for the Use of LPG in their propulsion system
II. Specific CNG (Compressed Natural Gas) Retrofit Systems to be Installed in Motor Vehicles for the Use of CNG in their propulsion system

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Date Reference Description Status
15 Jan 2020 GRPE-80-20
UN R115 Proposal for a new Corrigendum
Working Party Informal Liquefied Petroleum and Compressed Natural Gas Retrofit Systems LPG/CNG Retrofit Systems Uniform Provisions Concerning the Approval of: I Specific LPG (Liquefied Petroleum Gases) Retrofit Systems to be Installed in Motor Vehicles for the Use of LPG in their propulsion system II. Specific CNG (Compressed Natural Gas) Retrofit Systems to be Installed in Motor Vehicles for the Use of CNG in their propulsion system GRPE to consider the proposal for corrigendum to document ECE/TRANS/WP.29/2019/45..
27 Jan 2020 WP.29/2020/49
UN R115: Proposal for Corrigendum 1 to Supplement 8
World Forum Working Liquefied Petroleum and Compressed Natural Gas Retrofit Systems LPG/CNG Retrofit Systems Uniform Provisions Concerning the Approval of: I Specific LPG (Liquefied Petroleum Gases) Retrofit Systems to be Installed in Motor Vehicles for the Use of LPG in their propulsion system II. Specific CNG (Compressed Natural Gas) Retrofit Systems to be Installed in Motor Vehicles for the Use of CNG in their propulsion system Proposal to correct errors identified in the text of Supplement 8 (document WP.29/2019/45) as adopted by the World Forum.
23 Mar 2020 GRPE/2020/11
UN R115: Proposal for a new Supplement
Working Party Working Liquefied Petroleum and Compressed Natural Gas Retrofit Systems LPG/CNG Retrofit Systems Uniform Provisions Concerning the Approval of: I Specific LPG (Liquefied Petroleum Gases) Retrofit Systems to be Installed in Motor Vehicles for the Use of LPG in their propulsion system II. Specific CNG (Compressed Natural Gas) Retrofit Systems to be Installed in Motor Vehicles for the Use of CNG in their propulsion system Proposal to clarify that the correct procedure for a type I test of a hybrid electric vehicle under UN R115 shall take into account Annex 14 of UN R83.
10 Jun 2020 GRPE-81-37
UN R115: Proposal to extend the provisions in the proposal for a new Supplement (GRPE/2020/11)
Working Party Informal Liquefied Petroleum and Compressed Natural Gas Retrofit Systems LPG/CNG Retrofit Systems Uniform Provisions Concerning the Approval of: I Specific LPG (Liquefied Petroleum Gases) Retrofit Systems to be Installed in Motor Vehicles for the Use of LPG in their propulsion system II. Specific CNG (Compressed Natural Gas) Retrofit Systems to be Installed in Motor Vehicles for the Use of CNG in their propulsion system
24 Aug 2020 WP.29/2020/118
UN R115: Proposal for Supplement 9
World Forum Working Liquefied Petroleum and Compressed Natural Gas Retrofit Systems LPG/CNG Retrofit Systems Uniform Provisions Concerning the Approval of: I Specific LPG (Liquefied Petroleum Gases) Retrofit Systems to be Installed in Motor Vehicles for the Use of LPG in their propulsion system II. Specific CNG (Compressed Natural Gas) Retrofit Systems to be Installed in Motor Vehicles for the Use of CNG in their propulsion system GRPE proposal to clarify that the correct procedure for a type I test of a hybrid electric vehicle under UN R115 shall take into account Annex 14 of UN R83.