ker morajo biti pri vozilih z bencinskimi motorji, za katere predpisi homologacije določajo, da morajo biti opremljeni z naprednimi sistemi za nadzor emisij, kot so tristezni katalizatorji z zaznavalom lambda, merila rednih preskusov emisij strožja kakor za običajna vozila;
Whereas 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;