is the diesel electric hyrbid bus which SBS is supposed to trial
last year? same as this?

I've seen the interior photo of the bus you pictured, not
similar at all. The one you pictured has two PIW slots and the one
I pictured only had one. Also, the one I photographed was low-entry
like the OCs and KUBs.
This is probably the interior of the bus you pictured:
