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Summary of the 3 rd meeting of the informal group on Fuel Quality

Informal document No . GRPE-57-30 (57th GRPE, 13-16 January 2009, agenda item 9). Summary of the 3 rd meeting of the informal group on Fuel Quality. Geneva, 13 January 2009. 2 nd FQ session (minutes FQ-02-06): IPIECA and OICA were invited to prepare a list of fuel quality parameters

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Summary of the 3 rd meeting of the informal group on Fuel Quality

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  1. Informal document No. GRPE-57-30 (57th GRPE, 13-16 January 2009, agenda item 9) Summary of the 3rd meeting of the informal group on Fuel Quality Geneva, 13 January 2009

  2. 2nd FQ session (minutes FQ-02-06): • IPIECA and OICA were invited to prepare a list of fuel quality parameters • In October 2008: Progress made at IPIECA/OICA meeting • However different positions on the extend of fuel quality parameters: • IPIECA: only parameters to ensure correct functioning of emission control devices • OICA: all parameters affecting emissions as well as emission control devices • (detailed minutes in FQ-03-02) • 3rd FQ agreed on a 2 step approach: • (a) first step: specifications for parameters which influence emission control devices • (b) second step: specifications for parameters which influence the tailpipe emissions

  3. List of specifications to be considered for 1st step: (i) gasoline: lead, sulphur, metallic additives, oxygen/oxygenates, vapour pressure (max/min values or range of values) as well as RON, MON and density (indication) (ii) diesel: sulphur, ash, total contamination (max/min values or range of values)as well as cetane number/index, density, viscosity and flash point (indication) IPIECA and OICA volunteered to prepare, for the next session, a first set of market fuel quality specifications for the 1st step parameters, including a drafting for general recommendations for enforcement and housekeeping purposes. List of specifications to be considered for 2nd step: (i) gasoline: benzene, aromatics, olefins, biofuels, etc. (ii) diesel: water, lubricity, cloud point, etc. To be considered at a later time point

  4. All working papers and presentations are available at: www.unece.org/trans/main/wp29/wp29wgs/wp29grpe/fq03.html 4th meeting of the informal group on Fuel Quality is scheduled to be held in Geneva, on 9 June 2009 (t.b.c.)

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