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Potential developments in the Community’s vehicle roadworthiness inspection

This report produced by the working group on inspection and maintenance (WG4) aims to examine the potential of periodic inspection and maintenance programmes to reduce, in a cost-effective manner, pollutant emissions. The focus of the study is on catalyst equipped cars built to the Euro 1 standard (i.e. in conformity with Directive 91/441/EEC). Nevertheless, conventional spark-ignition and diesel cars are also covered by the study. Work on other motor vehicles, in particular heavy commercial vehicles in relation to their smoke opacity and particulate emissions was done in parallel with the JCS Study and has already led to legislative adaptation.

Potential developments in the Community’s vehicle roadworthiness inspection (pdf ~620K)