4.6. Calculation of the area control values

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

For the three control points selected according to Section 2.7.6, the NOx emission shall be measured and calculated according to Section 4.6.1 and also determined by interpolation from the modes of the test cycle closest to the respective control point according to Section 4.6.2. The measured values are then compared to the interpolated values according to Section 4.6.3.

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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.