Along with Hyundai and Honda, Toyota has been one of the biggest exponents of hydrogen as an alternative to petrol and diesel power. As well as releasing the Mirai hydrogen fuel cell car, it has invested in fueling stations and infrastructure to make sure fuel cell vehicles aren’t an under-supported flash in the pan, experience that will pay off when sales of its 77-seater Fuel Cell Bus start early next year.
The fuel cell in Toyota’s bus draws from 10 high-pressure tanks, capable of holding a combined 600 liters (132 gal) of hydrogen at around 700 bar. Power comes from two electric motors making a combined 226 kW (303 hp) of power and 670 Nm (494 lb.ft) of torque.
As well as powering the bus itself, the fuel cell in the bus is able to act as a generator in emergencies. With a capacity of 235 kWh and a maximum output of 9 kW, Toyota says it could be used to power stadiums or homes in a blackout. It’s an idea Nissan has been playing with in the UK, although its electric cars don’t have quite the same capacity as the full-size bus.
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