Session 172 | Geneva | 20-23 Jun 2017
4.7.3. Proposal for Supplement 1 to the original version of Regulation No. 143
WP.29/2017/66 | Proposal for Supplement 1 to the original version of Regulation No. 143 Proposal to restrict the application of CO2 specific emission limits only to NMHC and CO emissions (back-to-back comparison of NOx and PM to apply under the regulation in any case). The proposal also aligns the text where applicable with the intent of paragraph 2.3.15.: “R49 original emission limits” means the emission limits as defined in Regulation No. 49 to which the original engine system was approved."
WP.29/2017/66
Proposal for Supplement 1 to the original version of Regulation No. 143
11 May 2017 World Forum Formal Documents Heavy-Duty Dual Fuel Retrofit Systems HD Dual Fuel Retrofit Systems Uniform provisions concerning the approval of Heavy Duty Dual-Fuel Engine Retrofit Systems (HDDF-ERS) to be installed on heavy duty diesel engines and vehicles Proposal to restrict the application of CO2 specific emission limits only to NMHC and CO emissions (back-to-back comparison of NOx and PM to apply under the regulation in any case). The proposal also aligns the text where applicable with the intent of paragraph 2.3.15.: “R49 original emission limits” means the emission limits as defined in Regulation No. 49 to which the original engine system was approved." WP.29/2017/0066