rec_9

Directive 2014/45/EU of the European Parliament and of the Council of 3 April 2014 on periodic roadworthiness tests for motor vehicles and their trailers and repealing Directive 2009/40/EC Text with EEA relevance · European Union

(9) During the last two decades, requirements in respect of vehicle emissions for type-approval have been continuously strengthened. However, air quality has not improved as much as predicted with the tightening of emission standards for vehicles, especially in respect of nitrogen oxides (NOx) and fine particulate matter. Possibilities for improving test cycles to match on-road conditions should be closely examined in order to develop future solutions, including the establishment of test methods for the measurement of NOx levels and of limit values for NOx emissions.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-02 · Text as adopted (Official Journal); later amendments are not incorporated in this text.