Because of a 'grandfather clause', the strict emission standards only apply to new cars.
(..) Come on. He's crazy. What are you up to? - I'm scared. - No you'll see, it's awesome. I look like my grandfather. Really? Oh Philippe, the moustache is turning me on. What is happening to me? - Ok, I'll shave the rest. - Thank you. (..)2011 The Intouchables