# Commission Regulation (EC) No 692/2008 of 18 July 2008 implementing and amending Regulation (EC) No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information (Text with EEA relevance), Division 1.4

Extent: E+W+S+N.I.

As an alternative to durability testing, a manufacturer may choose to apply the assigned deterioration factors from the following table.
Euro 6 deterioration factors to be determined
Engine Category
Assigned deterioration factors
CO
THC
NMHC
NOx
HC + NOx
PM
P
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)

---
Source: https://www.legislation.gov.uk/eur/2008/692/annex/VII/division/1/division/1.4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-692/annex-VII/division-1/division-1.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.