New World First Bus Services Limited (NWFB) was the third-largest bus operator in Hong Kong. Established by NWS Holdings and FirstGroup in September 1998, it took over 88 China Motor Bus services in Hong Kong Island. From 2020 until its merger with Citybus in 2023, it was a subsidiary of Bravo Transport, the owner of Citybus. The NWFB brand was retired on 1 July 2023 with operations merged into Citybus.

The Alexander Dennis Enviro500 MMC is a low-floor, three-axle double-decker bus produced by the British bus manufacturer Alexander Dennis since 2012, replacing the Alexander Dennis Enviro500. The Enviro500 MMC is available powered by either Euro VI diesel or hybrid-electric and later fully-electric powertrains.