The Kowloon Motor Bus Company

With a fleet of over 4,100 buses, KMB is the largest bus operator in Hong Kong, carrying about 2.1 million passengers every day.

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Towards a “zero emission transport” through low-carbon technologies(Ongoing)
KMB is investing in low-carbon technologies to reduce its carbon footprint. Initiatives such as bus shelters equipped with solar panels or the introduction of electric buses (“eBus”) and supercapacitor-powered buses (“gBus”) are paving the way for the development of electric transportation in Hong Kong. In 2021, KMB purchased more electric buses for their operations and kick-started the introduction of its first electric double-decker bus.
KMB is introducing the “ebus,” powered by lithium iron phosphate batteries, offering 200km of zero-emission transport. The “gbus,” or an electric bus model with ‘supercapacitor technologies,’ is also being introduced. Since 2017, KMB has been installing solar power systems on its double-deckers and bus shelters (BEC, 2020). This solar power system reduces the air temperature in the bus compartment by around 8 to 10°C, leading to 3% savings in fuel consumption. KMB introduced and deployed its first batch of new buses with built-in solar panels in 2019. To fully capitalise on the potential for renewable energy, KMB is further exploring a new generation of double-deckers equipped with more solar panels. KMB has also reduced its fleet’s proportion of Sulphur Diesel usage to 0.001%. Finally, KMB is also recycling retired buses. As of 2020, 34 buses have been donated to schools and reconverted into educational spaces.
  • Diesel vehicles, such as buses, are one of the largest sources of street-level pollution
  • In 2020, the total direct and indirect GHG emissions (Scope I and Scope II) of KMB and LWB was around 520,000 tonnes of CO2e
  • KMB uses low-carbon technologies to enhance the environmental performance of their bus fleets