IMO, if TIBS were to acquire double deckers, I guess they would
choose either the Scania K94UB or the Enviro 500. Also, it would be
nice to see the Volvo B9TL or the Centroliner in TIBS colours. We
can't say it is absolutely impossible for TIBS to buy Volvo
products.
Although unlikely for now, I hope the future management of TIBS
would consider having double-deckers in their fleets. Likewise for
SBST.
Cheers and warm regards