Because of a 'grandfather clause', the strict emission standards only apply to new cars.
(..) Xaro Xhoan Daxos, she is far too lovely for a glorified dockworker like yourself. Very true, and yet they say that your grandfather, who sold pepper off the back of a wagon, married a lady far lovelier and higher born than himself. Every lady alive was lovelier and higher born than my grandfather. Did my servants not offer you something to eat, to drink? I'll have them flogged in the square. Thank you, My Lord. (..)2012 TvShow: Game of Thrones Title: The Old Gods and the New Season: 2 Episode 6