Session 60 | Geneva | 7-11 Jun 2010
Proposal for Amendment 2 to global technical regulation No. 4
22 Dec 2009 World Forum Formal Documents Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants WP.29/2010/0048