# 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 4.2.3.2

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

If the manufacturer wishes to run in the vehicles, (‘x’ km, where x ≤ 3 000 km for vehicles equipped with a positive ignition engine and x ≤ 15 000 km for vehicles equipped with a compression ignition engine), the procedure shall be the following:
(a) the pollutant emissions (type 1) shall be measured at zero and at ‘x’ km on the first tested vehicle;
(b) the evolution coefficient of the emissions between zero and ‘x’ km shall be calculated for each of the pollutant:
Emissions ‘x’ km/Emissions zero km
This may be less than 1; and
(c) the other vehicles shall not be run in, but their zero km emissions shall be multiplied by the evolution coefficient. In this case, the values to be taken shall be:
(i) the values at ‘x’ km for the first vehicle;
(ii) the values at zero km multiplied by the evolution coefficient for the other vehicles.

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Source: https://www.legislation.gov.uk/eur/2008/692/annex/I/division/4/division/4.2/division/4.2.3/division/4.2.3.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-692/annex-I/division-4/division-4.2/division-4.2.3/division-4.2.3.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.