These random books were intended to give you some idea, or say explains the test procedures used to check vehicle exhaust emissions which Testers and Vehicle Examiners in different countries tend to follow whether at the roadside or during the
MOT test.
Some contain, in the Annex, emissions limits for vehicles fitted with advanced emissions control systems such as three way catalytic converters, and offers general
advice to motorists and vehicle operators on submitting vehicles for test.
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