(22 Mar 2015, 11:53 am)Michael wrote Are they not euro 6, i thought all buses which are now ordered had to be?
No, they're Euro 5.
Wrightbus offer both Euro 5 and Euro 6 at the moment, though the latter is more expensive which is why a large number of operators are still opting for Euro 5. The majority of Arriva UK's 50 new Streetlites which will be delivered over spring will be Euro 5, too.