
Particulate filter: rather lenient threshold before being flunked

From July 2022, diesel cars with defective or removed particle filters can be detected at the vehicle inspection in Belgium thanks to the use of a particle counter test (PN measurement) /site Goca Vlaanderen
As of 1 July 2022, diesel cars will fail the Brussels technical inspection if their exhaust gases exceed 1 million particles per cm3. This t
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