(10 Nov 2021, 6:53 pm)JP6004 wrote Least they not bound to the same terms of stupidity as gateshead and Sunderland, whereby the operator had to keep the vehicles on Gateshead/sunderland route for 5yrs....least they can replace the omnis with younger euro 6 vehicles and not be penalised for it

To be fair, they knew exactly what they were getting in to when they signed the agreement for the mods. 
Quite why they did it and why they thought that it was a good idea, is another matter.