Along with the plan to add 2,100 electric buses by 2023, BEST is also in process of acquiring 900 double decker air-conditioned electric buses. BEST plans to acquire a full fleet of electric buses by 2027. One of the reasons behind going big on electric buses of all types is to arrest the steady fall in commuters for BEST buses over recent years. With 37 new double-decker buses equipped with ZF's AxTrax AVE electric portal axle, the City of London is coming closer to its goal of an emission-free bus fleet. It was as much a part of London as Big Ben and Buckingham Palace: the AEC Routemaster. From the mid-1950s, the red double-decker bus shaped the London cityscape and the image of the versatile bus chassis well-equipped to handle the rigours of intensive daily urban and interurban operations. Scania NUD low-floor double-deck bus chassis Transmission Power options - KUB and NUD chassis Diesel/HVO (hydrotreated vegetable oil) Volume (litres) Max power (hp) Max torque (Nm) 9 250 1,250 9 280 1,400 Biogas/compressed natural gas Volvo Super Olympian (3-Axle) The Volvo Olympian was a rear-engined 2-axle and 3-axle double decker bus chassis manufactured by Volvo at its Irvine, Scotland factory. The first was built in 1992 and entered production in March 1993, replacing the Leyland Olympian . .

double decker bus dimensions