(24 Dec 2020, 5:50 pm)busmanT wrote Go North East use Eminox for their Euro VI upgrades and they don't offer a kit for the Citaro - but other companies do, presumably Go North West use a different supplier
https://www.energysavingtrust.org.uk/sit...0.2019.pdf
So because one supplier doesn't offer the Merc conversion, the operator can't do them at all?