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Informal Group on Gaseous Fuelled Vehicles (GFV)

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1 Informal Group on Gaseous Fuelled Vehicles (GFV)
Informal document No. GRPE-58-22 (58th GRPE, 8-12 June 2009, agenda item 6(b)) Informal Group on Gaseous Fuelled Vehicles (GFV) Chairman: André Rijnders The Netherlands 11/06/2009 GRPE 58th Session

2 Meetings of the GFV special Task-force on HD-OBD
Meetings of GFV 5th GFV meeting 4/5 March 2009 in Brussels (EC) 6th GFV meeting 26 May 2009 in Brussels (EC) 7th GFV meeting 8 June 2009 in Geneva Meetings of the GFV special Task-force on HD-OBD 3rd TF OBD HD meeting 3 March 2009 in Brussels, (EC) 4th TF OBD HD meeting 17/18 March 2009 Brussels (EC) 11/06/2009 GRPE 58th Session

3 5th GFV meeting 4 and 5 March 2009 in Brussels Main agenda items:
REGULATION 115 (retrofit LPG and CNG systems) Scope Discussion to make R115 only applicable for ECE and EC vehicle type-approvals for Euro 3 and later 11/06/2009 GRPE 58th Session

4 5th GFV meeting CH4 (methane) and NMHC (non-methane HC)
THCe = K  CH4 + NMHC The value of K should be determined according experimental tests with internal combustion engine fuelled with methane, alternatively equipped with Methane Optimized Catalyst and with Gasoline Optimized Catalyst Proposal of K = [0,55] Factor value to be checked 11/06/2009 GRPE 58th Session

5 5th GFV meeting Calibration NMHC (with NMC) Dual-fuel
Inconsistency in calibration procedures of NMHC/CH4 measurement in R49 (correction proposed in R49 - WHDC) Dual-fuel No type-approval possible for R115 because there are no provisions for dual fuel gas systems Waiting for proposals Switch over time limit from petrol-to-gaseous fuel (90/60 sec) Limit in using petrol in test cycle when measuring gas emissions. 90 sec for Euro 3 and 4 60 sec for Euro 5 (as proposed in R83.06) 11/06/2009 GRPE 58th Session

6 5th GFV meeting Emissions test procedure:
Deletion of the ‘non-intrusive’ retrofit systems Clearer procedure on fulfilling the emission limits Chassis dynamometer setting Clarification of vehicle mass with the retrofit gas system: - using the coast-down coefficients of original vehicle or - using the table values 11/06/2009 GRPE 58th Session

7 5th GFV meeting Outcome of the work in the GFV group resulted in:
Formal document to GRPE ECE/TRANS/WP.29/GRPE/2009/19 GRPE agenda item 6(f) Draft amendments to Regulation No. 115 (retrofit LGP/CNG) Revision 1. Issues included concerning: scope, dual-fuel, switch time petrol 60/90, emission test procedures and chassis dynamometer settings. Not included: - The NMHC issue: data should be delivered to justify the proposed CH4 factor. - The NMC: correction proposed in R49 (WHDC) 11/06/2009 GRPE 58th Session

8 6th GFV meeting 26th May 2009 in Brussels (EC offices)
Main agenda items Progress on NMHC testing (factor) Two initiatives to deliver emissions data on CH4 (methane) and NMHC (non-methane HC) issue, both anticipated at the end of July 2009: - Test program of IANGV/NGVAEurope and JRC -Test program of NL(RDW) with TNO/Teleflex-GFI Discussion on document GFV (Poland) on different issues amending R.115 GFV contains fundamental issues and editorial issues Some agreed editorial proposals are set in document GFV-07-02 11/06/2009 GRPE 58th Session

9 7th GFV meeting 9th June 2009 in Geneva Main agenda items:
Information from the chairman on document - R115: ECE/TRANS/WP.29/GRPE/2009/19 - R49 : ECE/TRANS/WP.29/GRPE/2009/14 (OBD) Work program for coming GFV meetings 11/06/2009 GRPE 58th Session

10 7th GFV meeting Outcome: Work program
Agreement to use a spreadsheet identifying the issues as they relate to substantive changes, editorial or structural changes to R.115 in document GFV and set priorities for work 11/06/2009 GRPE 58th Session

11 The way forward Next GFV meetings (TBC):
28 September 2009, Brussels (or the week before) (October 2009) The GFV group asks for a half day meeting in conjunction with the 59th GRPE session in June 2010 Draft agenda of the next GFV meeting: Results of the two test programs on CH4/NMHC Issues as they relate to changes Regulation 115 All the information is available on the WP29/GRPE website, under « informal group on GFV » 11/06/2009 GRPE 58th Session

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