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Division 2.4 F1

Original text. Later amendments are not shown.

f0, f1, f2 are the road load coefficients of the road load equation F = f0 + f1 × v + f2 × v2 determined in accordance with this Sub-Annex.

f0

  • is the constant road load coefficient and shall be rounded to one place of decimal, N;

    • f1

  • is the first order road load coefficient and shall be rounded to three places of decimal, N/(km/h);

    • f2

  • is the second order road load coefficient and shall be rounded to five places of decimal, N/(km/h)2.

    • Unless otherwise stated, the road load coefficients shall be calculated with a least square regression analysis over the range of the reference speed points.

    Annotations

    Textual amendments

    F1

    Substituted by Commission Regulation (EU) 2018/1832 of 5 November 2018 amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) 2017/1151 for the purpose of improving the emission type approval tests and procedures for light passenger and commercial vehicles, including those for in-service conformity and real-driving emissions and introducing devices for monitoring the consumption of fuel and electric energy (Text with EEA relevance).