(13 Apr 2015, 6:16 am)mb134 wrote I always thought that Stagecoach's 10000 was Euro 6?
Believe that's the only one which is, though, as it was a demonstration model? I may be wrong.
I think some of the old-style E400Hs are also Euro 6 with hindsight, but I'm not 100%.
Maybe it's optional, and most operators opt for Euro 5 which is cheaper?