(24 Jan 2020, 3:14 pm)BeachBoy99 wrote For starters, "angel" is a much more frequent service than the X21, so the chance of its vehicles being spare is next to nothing. Plus, the X21 isn't an "angel" service. The OmniDekkas, at least, are corporate branded and still represent Go North East's standard image rather than confusing passengers with an "angel" branded vehicle, who think the next 21 is about to pull into a busy Durham bus station, for instance.
I was thinking purely in terms of fuel economy. The Angel StreetDecks are miles more fuel efficient than the Omnidekkas, and the X21 is a far longer and more demanding route.
They already run Angels on the X21 as it is, so I doubt that is much of a concern (it's even written on the timetable that they run as Angel buses)
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