Because of a 'grandfather clause', the strict emission standards only apply to new cars.
(..) that you are not completely dependent on a Northman. I rather like being dependent on a Northman. They tend to tell the truth. Your grandfather warned against them. He said they were the greatest threat against his empire. My grandfather, wise as he was, great as he was, (..)2016 TvShow: Vikings Title: The Last Ship Season: 4 Episode 10