# Regulation (EC) No 661/2009 of the European Parliament and of the Council of 13 July 2009 concerning type-approval requirements for the general safety of motor vehicles, their trailers and systems, components and separate technical units intended therefor (Text with EEA relevance), Division PART B —: ROLLING RESISTANCE REQUIREMENTS

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

The maximum values for the rolling resistance coefficient for each tyre type, measured in accordance with ISO 28580, shall not exceed the following:
Table 1
Tyre class
Max value (kg/tonne)1st stage
C1
12,0
C2
10,5
C3
8,0
Table 2
Tyre class
Max value (kg/tonne)2nd stage
C1
10,5
C2
9,0
C3
6,5
For snow tyres, the limits in Table 1 and Table 2 shall be increased by 1 kg/tonne.

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Source: https://www.legislation.gov.uk/eur/2009/661/annex/II/part/B (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-661/annex-II/part-B
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.