(18)In the case of petrol-engined vehicles for which the type-approval standards specify that they must be equipped with advanced emission control systems such as three-way catalytic converters which are lambda-probe controlled, the regular emission test standards must be more stringent than for conventional vehicles.
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New version applies from 28/07/2010.
40 provisions change.
Recital 18 changes in this version: compare with the current text.