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| Document Title | Proposal for a Supplement to the draft Regulation on 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 | ||||||||
| Reference Number | GRPE/2017/4 | ||||||||
| Date |
27 Oct 2016
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| Summary |
During the June 2016 GRPE session, AEGPL raised concerns regarding the back-to-back approach for the simplified test of retrofitted dual-fuel engines because, in some cases, the hydrocarbons (HC) and/or carbon monoxide (CO) emission values of the original diesel engine are far below the emission limit (see GRPE-73 session report, para. 28). AEGPL proposed a solution in document GRPE-73-07. However the Netherlands is concerned that:
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| Source(s) | Netherlands | ||||||||
| Rulemaking Area(s) | UN R143 HD Dual Fuel Retrofit Systems | ||||||||
| Proposal Status | Superseded | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRPE-74-25 | Proposal for amendments to ECE/TRANS/WP.29/GRPE/2017/4 on Heavy Duty Dual-Fuel Engine Retrofit Systems (superseded) | ||||||||
| WP.29/2017/66 | Proposal for Supplement 1 to the original version of Regulation No. 143 | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| GRPE | Session 74 | 10-13 Jan 2017 | |||||||||