Recital 6

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

(6) Type-approval tests for gaseous and particulate pollutants and smoke opacity are applicable to allow for a more representative evaluation of the emissions performance of engines under test conditions that more closely resemble those encountered by vehicles in-service. Since 2000 conventional compression-ignition engines and those compression-ignition engines fitted with certain types of emission control equipment have been tested over a steady-state test cycle and using a new load response test for smoke opacity. Compression-ignition engines fitted with advanced emission control systems have, in addition, been tested over a new transient test cycle. From 2005, all compression-ignition engines should be tested on all those test cycles. Gas fuelled engines are only tested on the new transient test cycle.

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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.