Regarding the quantity of AdBlue® which is required in SCR system, it varies according to the requirements we want to meet. Thus, in order to meet the current legislation - known as euro 4- the additive should be 3-4 % of the quantity of fuel and for the euro 5 requirements it is 5-7 %.

This is particularly positive method because the same method can meet future regulations without the need of any other expense for converting the engine.