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National Transport Commission (Road Transport Legislation – Vehicle Standards) Regulations 2006
146Crank case gases—certain petrol‑powered vehicles
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146 Crank case gases—certain petrol‑powered vehicles
(1) This rule applies to a motor vehicle with 4 or more wheels that is powered by a petrol engine and was built after 1971. (2) The vehicle must be built to prevent, or fitted with equipment that prevents, crank case gases from escaping to the atmosphere.