In 2013, it is the most common and modern model of public bus in London. However, it is hard to photo a bus without advertisement on body.
Operator: Metroline
Engine: Cummins ISB4.5EV4 + BAE System HybriDrive
Transmission: ZF 6HP1203B 6-speed auto
Capacity: U37 + L24
Body Builder: Alexander Dennis Limited