GAR | LPG/CNG Retrofit Systems

Thursday, 31 July 2025
Week 31

Cookies help us deliver our services. By using our services, you agree to our use of cookies. Learn more

Latest Documents

30 Jul 2025 | UN R173: Working draft proposals for amendments | STCBC-26-03

30 Jul 2025 | EqOP: Agenda for the 11th (September 2025) session | EqOP-WS-04-01/R...

30 Jul 2025 | Equitable Occupant Protection: Frontal impacts workshop reading list...

30 Jul 2025 | A-LCA: Next actions after submitting formal proposal | A-LCA-25-02/R...

30 Jul 2025 | EqOP: Agenda for the 12th (July 2025) session | EqOP-12-01/Rev.1

30 Jul 2025 | EqOP Frontal Impact Workshop: Practical information | EqOP-WS-04-05

29 Jul 2025 | Minutes of the 39th (May 2025) ADAS informal group session | ADAS-39...

29 Jul 2025 | UN R170: Working draft text for a 01 series of amendments | STCBC-27-02

(12 posted during the past week)

UN R173: Working draft proposals for amendments

Reference Number:	STCBC-26-03
Meeting Session(s):	26th STCBC session (29 Apr)
Document date:	29 Apr 25
Regarding:	UN R170 Bus and Coach CRS \| UN R173 Restraint system installation

Download from UNECE:

.docx format

EqOP: Agenda for the 11th (September 2025) session

Reference Number:	EqOP-WS-04-01/Rev.1
Meeting Session(s):	EqOP-WS-04 (23-25 Sep)
Document date:	30 Jul 25
Regarding:	Equitable Occupant Protection

Download from UNECE:

.pdf format

Equitable Occupant Protection: Frontal impacts workshop reading list

Reference Number:	EqOP-WS-04-03/Rev.1
Meeting Session(s):	EqOP-WS-04 (23-25 Sep)
Document date:	30 Jul 25
Regarding:	Equitable Occupant Protection

Download from UNECE:

.docx format

A-LCA: Next actions after submitting formal proposal

Reference Number:	A-LCA-25-02/Rev.1
Meeting Session(s):	25th A-LCA session (22 Jul)
Document date:	30 Jul 25
Regarding:	Automotive Life Cycle Assessment

Download from UNECE:

.pdf format

EqOP: Agenda for the 12th (July 2025) session

Reference Number:	EqOP-12-01/Rev.1
Meeting Session(s):	12th EqOP session (30 Jul)
Document date:	30 Jul 25
Regarding:	Equitable Occupant Protection

Download from UNECE:

.pdf format

EqOP Frontal Impact Workshop: Practical information

Reference Number:	EqOP-WS-04-05
Meeting Session(s):	EqOP-WS-04 (23-25 Sep)
Document date:	30 Jul 25
Regarding:	Equitable Occupant Protection

Download from UNECE:

.pdf format

Minutes of the 39th (May 2025) ADAS informal group session

Reference Number:	ADAS-39-14/Rev.1
Meeting Session(s):	39th ADAS session (28 May)
Document date:	29 Jul 25
Regarding:	UN R171 DCAS

Download from UNECE:

.docx format

UN R170: Working draft text for a 01 series of amendments

Reference Number:	STCBC-27-02
Meeting Session(s):	27th STCBC session (17 Jun)
Document date:	29 Jul 25
Regarding:	UN R170 Bus and Coach CRS

Download from UNECE:

.docx format

Upcoming Meetings

Safer and Cleaner Used and New Vehicles in Developing Markets | Session ...

GRSP Task Force on Automated Vehicles and Regulation Screening | Session...

GRBP Task Force on Automated Vehicle Regulation Screening | Session 17 |...

Informal Working Group on Children Left in Vehicles | Session 11 | 26-28...

Working Party on Noise and Tyres | Session 82 | 3-5 Sep

Electric Vehicles and the Environment | Session 87 | 4 Sep

Electric Vehicle Safety | Session 30 | 9-11 Sep

Simplification of Lighting and Light-Signalling Regulations | Session 74...

Informal Working Group on Automated Driving Systems | Session 13 | 10-11...

Automotive Life Cycle Assessment | Session 26 | 10 Sep

UN Task Force on Cybersecurity and Software Updates | Session 35 | 11 Sep

Task Force on the Fitness of GRVA Regulations for Application to ADS Veh...

View complete calendar

Latest Changes to Regulations

5 Aug 2024 GTR No. 21 | Amendment 1 | Appendix 1

Regulation:	GTR No. 21 \| Electric Vehicle System Power Determination
Document:	GTR No. 21

5 Aug 2024 GTR No. 21 | Amendment 1

Regulation:	GTR No. 21 \| Electric Vehicle System Power Determination
Document:	GTR No. 21

5 Aug 2024 GTR No. 22 | Amendment 1 | Appendix 1

Regulation:	GTR No. 22 \| Electrified Vehicle Battery Durability
Document:	GTR No. 22

5 Aug 2024 GTR No. 22 | Amendment 1

Regulation:	GTR No. 22 \| Electrified Vehicle Battery Durability
Document:	GTR No. 22

View last six months

Recent Headlines

6 May 2025 CO2 emissions EP fast-tracks vote on flexibility measures for...

10 Mar 2025 Electric vehicles and climatisation measuring the impact on...

29 Jan 2025 EU Parliament report on vehicle circularity and end-of-life...

9 Jan 2025 High-visibility clothing may thwart pedestrian crash prevention...

30 Dec 2024 Australia ceases UN R147 application

20 Dec 2024 NHTSA Proposes National Program for Vehicles with Automated...

Vehicle System Pages

Lighting and Light-Signalling

Passive Safety

Driving Automation

Emissions and Energy

Vehicle and Tyre Noise

Braking and Steering

Tyres

General Construction Safety

Vehicle Categories Pages

Definitions

Motorcycles

Passenger Vehicles

Commercial Vehicles

Agricultural Vehicles

Trailers

Home

Reference Number:	GRPE-73-29
Meeting Session(s):	73rd GRPE session (7-10 Jun 2016)
Document date:	10 Jun 16
Regarding:	UN R143 HD Dual Fuel Retrofit Systems \| UN R49 Diesel/CNG/LNG Engine Emissions \| UN R83 Motor Vehicle Emissions \| UN R85 Net Power Measurement \| UN R101 CO2 Emissions/Fuel Consumption \| UN R110 CNG/LNG System Components \| UN R115 LPG/CNG Retrofit Systems
View full document file for more information

Reference Number:	WP.29/2016/44
Meeting Session(s):	169th WP.29 session (21-24 Jun 2016)
Document date:	08 Apr 16
Document status:	Adopted text published
Regarding:	UN R115 LPG/CNG Retrofit Systems
Adoption Vote
This proposal (WP.29/2016/44) was adopted by the World Forum. Thirty-six Contracting Parties out of the 48 applying UN R115 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining.
View full document file for more information

Reference Number:	GRPE-72-24
Meeting Session(s):	72nd GRPE session (12-15 Jan 2016)
Document date:	14 Jan 16
Regarding:	UN R143 HD Dual Fuel Retrofit Systems \| UN R49 Diesel/CNG/LNG Engine Emissions \| UN R110 CNG/LNG System Components \| UN R115 LPG/CNG Retrofit Systems
View full document file for more information


12 Jun 2016	Accomplishments of the GFV informal group	GRPE-73-29	2016-06-12
14 Apr 2016	Proposal for Supplement 7 to the original version of Regulation No. 115	WP.29/2016/44	2016-04-14
14 Jan 2016	Status report of the GFV informal group	GRPE-72-24	2016-01-14