Division 1.2.9 F1 United Kingdom Original text. Later amendments are not shown. Average rolling resistance coefficient (RRC) of all tyres of the motor vehicle: … Annotations Textual amendments F1 Substituted by Commission Regulation (EU) 2019/318 of 19 February 2019 amending Regulation (EU) 2017/2400 and Directive 2007/46/EC of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles (Text with EEA relevance). ← Division 1.2.8 Division 1.2.9 Division 1.2.10 →