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Motor Vehicles (Smoke Meters)

Volume 644: debated on Wednesday 12 July 1961

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asked the Minister of Transport if he has now decided which smoke meter to use in measuring fumes emitted from diesel-engined motor vehicles; and when he proposes to introduce it.

No existing smoke meter has yet proved itself to be suitable for enforcement purposes. My Department is hoping to develop a standard test procedure involving the use of a smoke meter for roadside enforcement, but a considerable amount of experiment will be necessary.