# Commission Regulation (EU) 2017/1151 of 1 June 2017 supplementing 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, amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) No 1230/2012 and repealing Commission Regulation (EC) No 692/2008 (Text with EEA relevance), Division 7.2: Calculation of drive trace indices


The following indices shall be calculated in accordance with SAE J2951(Revised Jan-2014):
(a)IWR: Inertial Work Rating, per cent;
(b)RMSSE: Root Mean Squared Speed Error, km/h.

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Source: https://www.legislation.gov.uk/eur/2017/1151/annex/Sub/7/division/division/7./division/7.2. (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/7/division/division-7./division-7.2.
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.