# Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance), Division 5.1.3.4: Oil or water quality

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

New, recommended first fill oil for the European market shall be used in the test.
For water retarders the water quality shall meet the specifications set out by the manufacturer for the retarder. The water pressure shall be set to a fixed value close to vehicle condition (1 ± 0,2 bar relative pressure at retarder input hose).

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Source: https://www.legislation.gov.uk/eur/2017/2400/annex/VI/division/5/division/5.1/division/5.1.3/division/5.1.3.4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-2400/annex-VI/division-5/division-5.1/division-5.1.3/division-5.1.3.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.