Status
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The current standards for new passenger vehicles and LDTs in the European Union are Euro 6 standards; these were phased in from September 2014. Real driving emissions (RDE) standards have been developed and are being implemented from 1 September 2017.
Euro 6
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Emissions limits and initial implementation
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Overview and implementation stages
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Small volume manufacturers
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Real Driving Emissions
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Introduction
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RDE requirements
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Small volume manufacturers
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Proposed amendments - 2018
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Overview
A draft regulation [24], containing amendments to the new Euro 6 implementing regulation, 2017/1151, was published in March 2018. Amongst the proposed amendments are updated provisions on the implementation of the WLTP test cycles, the RDE 4th package, a new procedure for the assessment of in-service conformity (ISC) and requirements for on-board monitoring of fuel and/or electric energy consumption. The draft is currently being examined by the European Parliament and Council [25]; the regulation is expected to apply from 1 January 2019.
In-service conformity
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Monitoring fuel and/or electric energy consumption
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Euro 6 implementation stages
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RDE requirements
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World Harmonised Light Vehicle Test Procedure (WLTP)
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Test Procedures
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World Harmonised Light Vehicle Test Procedure (WLTP)
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NEDC
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Particle Number Measurement
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Low Ambient Temperature Test
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Evaporative Emissions Test
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Durability of Emissions Control Devices
The required durability of pollution control devices has been extended to 160,000 km for Euro 5 and 6, and manufacturers have three options for the demonstration of that durability [2]:
1. A whole vehicle durability test with ageing carried out on a test track, on road or on a chassis dynamometer.
2. A bench ageing durability test.
3. The manufacturer may choose to apply assigned deterioration factors as shown in the following table.
| Table 6: Assigned Deterioration Factors |
| Engine Category |
CO |
THC |
NMHC |
NOx |
HC + NOx |
PM |
PN |
| Positive Ignition |
1.5 |
1.3 |
1.3 |
1.6 |
|
1.0 |
1.0 |
| Compression Ignition (Euro 5) |
1.5 |
|
|
1.1 |
1.1 |
1.0 |
1.0 |
| Compression Ignition (Euro 6) (1) |
|
|
|
|
|
|
|
Note:
1. Euro 6 deterioration factors to be determined.
Real Driving Emissions Test
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On-board diagnostics
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Euro 6 OBD
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Historical Data
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Pre-1997 Legislation (Euro 1)
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1997-2000 Legislation (Euro 2)
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2000 Legislation (Euro 3)
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Euro 4
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Euro 3/4 OBD
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Euro 5
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Euro 5 OBD
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EURO 6 OBD - Interim Thresholds
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References
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