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Report on the Development of a New UN Regulation for Retrofit Heavy Duty Dual Fuel Systems

This report provides an update on the progress of the development of a new UN regulation for retrofit heavy-duty dual fuel systems. It includes discussions on the principle and structure of the regulation, as well as considerations for retrofit conversion efforts and the environmental impact/benefit. The report also highlights the timing and roadmap for the implementation of the new regulation, as well as other related items such as the definition of bi-fuel and dual-fuel vehicles.

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Report on the Development of a New UN Regulation for Retrofit Heavy Duty Dual Fuel Systems

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  1. Informal documentGRPE-70-22 (70th GRPE, January 2015, agenda item 8) Informal Group on Gaseous Fuelled Vehicles (GFV) Report 70th GRPE January 2015 GFV report 70th GRPE André Rijnders

  2. Meetings GFV Group • 35th GFV meeting • 28-29 October 2014 Rome • 36th GFV meeting • 3 December 2014 Brussels • 37th GFV meeting • 13 January 2015 Geneva GFV report 70th GRPE André Rijnders

  3. GFV items Retrofit Heavy Duty Dual Fuel Task Force (retrofit HDDF TF) The development of a new UN Regulation for retrofit heavy-duty dual-fuel systems. Organisation: • In the GFV group we discuss the decide on the fundemental items of the retrofit HDDF process. • Retrofit HDDF Task Force concentrate on the development of the new regulation • Chair Task Force retrofit HDDF: TNO (Henk Dekker) • Secretariat HDDF TF  NGV global (Jeff Seisler) • Meetings: • 2 September 2014, • 28-29 October 2014, • 3 December 2014, GFV report 70th GRPE André Rijnders

  4. GFV items Status of the discussion new HDDF retrofit regulation • A new UNECE Regulation will include the requirements for the type approval of retrofit systems intended to be fitted on a heavy duty diesel vehicle to enable its operation either in diesel mode or in dual-fuel mode. • Only Euro IV, Euro V and EEV vehicles included in the first release of the regulation. • Until now the principle and the structure of the new regulation have been discussed. GFV report 70th GRPE André Rijnders

  5. GFV items HDDF retrofitted engines and vehicles • Regulation for TA of systems for retrofitting diesel vehicles to dual-fuel operation, but references to TA of engines (R49) • Tension between retrofit conversion effort/costs and environmental impact/benefit • Level playing field for both retrofit system manufacturers and engine/vehicle manufacturers • Euro IV, V and EEV diesel engines have limited diagnostic functionality and no NOXclosed loop control (difference with R115 for LDV’s). • Attention for the natural gas emissions of NG retrofits Note: Natural gas is not a pollutant emission but a greenhouse gas (GHG) emission like CO2 (but 25 times stronger);

  6. GFV items HDDF retrofitted engines and vehicles • Retrofit system family and application range • Details of this procedure still to be developed and verified. GFV report 70th GRPE André Rijnders

  7. GFV items HDDF retrofitted engines and vehicles • There is a certain interest to TA only the engine part of the retrofit system. • Others may wish to TA a complete retrofit system with the engine and also all gas components to be mounted in the vehicle (for example, fuel storage systems). • Consideration concerning TA procedures and responsibilities ongoing.

  8. GFV items HDDF retrofitted engines and vehicles Timing/roadmap half year delay from initial roadmap: • January 2015 70th GRPE: report • June 2015 71th GRPE: informal document (planned) • January 2016 72th GRPE: formal document (planned) • June 2016 WP.29: adoption GFV report 70th GRPE André Rijnders

  9. GFV items Other items • Development of a clear definition of bi-fuel and dual-fuel vehicles at the request of the VPSD. • Investigation for a liaison with UNECE initiative of the Group of Experts on Gas (GEG) with newly created Task Force D (Removing Barriers to the Use of Natural Gas as a Transportation Fuel) A decision from the Executive Committee on Sustainable Energy that mandates the Group of Experts on Gas to provide a forum for multi- stakeholder dialogue on ways to promote the sustainable and clean production, distribution, and consumption of gas in the United Nations Economic Commission for Europe (ECE) region. GFV report 70th GRPE André Rijnders

  10. Next steps GFV • Next meetings GFV and HDDF-retrofit Task Force • 28 January 2015 HDDF TF (Brussels, DG Enterprise) 10.00-17.30 • 25 February 2015 GFV/HDDF TF(Brussels, RDW office)10.00-17.30 • 25 March 2015 GFV/HDDF TF (Brussels,DG Enterprise) • GFV request to GRPE for a ½ day meeting during the 71st GRPE ------ GFV report 70th GRPE André Rijnders

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