(01 Jan 2014, 6:32 pm)andreos1 wrote Nothing has been confirmed - just hinted at.
The Presidents on the x21 have seen better days, but capacity wise are suitable.
Not sure the Citaro's are big enough, despite them being better vehicles.
I think they learnt that lesson on the Angel...
I agree that the X21 requires newer stock if it is to succeed though, sooner rather than later.