2.2. Actual torque

Directive 2005/55/EC of the European Parliament and of the Council of 28 September 2005 on the approximation of the laws of the Member States relating to the measures to be taken against the emission of gaseous and particulate pollutants from compression-ignition engines for use in vehicles, and the emission of gaseous pollutants from positive-ignition engines fuelled with natural gas or liquefied petroleum gas for use in vehicles (Text with EEA relevance) · European Union

The torque is normalised to the maximum torque at the respective speed. The torque values of the reference cycle shall be unnormalised, using the mapping curve determined according to Section 1.3, as follows: Actual torque = (% torque × max. torque/100) for the respective actual speed as determined in Section 2.1. The negative torque values of the motoring points (‘m’) shall take on, for purposes of reference cycle generation, unnormalised values determined in either of the following ways: negative 40 % of the positive torque available at the associated speed point, mapping of the negative torque required to motor the engine from minimum to maximum mapping speed, determination of the negative torque required to motor the engine at idle and reference speeds and linear interpolation between these two points.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-01 · Text as adopted (Official Journal); later amendments are not incorporated in this text.