Bus 990 was a Renault PR100.3 bus, with body by Austral Denning, Brisbane.
990 was delivered to ACTION in 1994 as the second of two Renault PR100.3 NGV (Natural Gas Vehicle) – sister unit 991 was delivered first in June 1993.
During its life it has worn several special liveries – the initial Natural Gas livery, the AGL Natural Gas livery (pictured) and its final livery promoting Aboriginal reconciliation.
During 2007, 990 and 991 were withdrawn from service to have their natural gas systems removed and undergo conversion to run on diesel. This also required the removal of the roof mounted gas cylinders and pods.
Whilst the ACTION Scania CNG buses had rather obvious roof mounted gas pods, the Renault PR100.3 NGV featured pods sunken into the roof, which meant minimal protusion on the outside of the vehicle, but a lower interior ceiling at the front of the vehicle. This lower ceiling remained in the buses following their conversions.
Until 2007, Bus 990 was based in Tuggeranong Depot due to its Natural Gas fuelling facilities. Since conversion to diesel it was based at Belconnen, until its withdrawal from service in late June 2014.