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| Document Title | UN R49: Proposal for Supplement 6 to the 06 series of amendments | ||||||||
| Reference Number | WP.29/2018/47 | ||||||||
| Date |
13 Apr 2018
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| Summary |
Proposal to improve the Engine Control Unit (ECU) torque signal validation requirement in the 06 series of amendments to R49 with regard to dual-fuel or flex-fuel vehicles. Under the regulation, the ECU torque information can be calibrated only to one fuel's heat value (usually the basic reference fuel) even though the heat value of the alternative fuel is different. In order to increase the accuracy of the torque values used for calculating the emission results during in-service conformity testing, OICA proposes to change the provisions to either:
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| Rulemaking Area(s) | UN R49 Diesel/CNG/LNG Engine Emissions | ||||||||
| Proposal Status | Adopted | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRPE/2018/10 | Proposals for a new Supplement to the 06 series of amendments to Regulation No. 49 (superseded) | ||||||||
| GRPE-76-16 | UN R49: Proposals for amendments to document GRPE/2018/10 (superseded) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| WP.29 | Session 175 | 18-22 Jun 2018 | |||||||||