The 18m UC electric bus features roof-mounted 108kWh ultracapacitor and it draws about 1.3 kWh per kilometre when the vehicle total load is 4.5 tonnes in optimal conditions. The UC cannot ignite and retains performance in temperatures between -40 and 60°C. Moreover, the bus has no need for overnight charging. The previous day’s final fast charge is enough to run the e-bus next morning without overnight charging. Frequent charge/discharge cycles do not affect UC longevity.