Toyota launches Sora production model fuel cell bus

by Autocar Pro News Desk , 28 Mar 2018

Toyota Motor Corporation has begun sales of the Sora, the first fuel cell bus (FC bus) to receive vehicle type certification in Japan. Sora is an acronym for Sky, Ocean, River, Air, representing the earth's water cycle.

The automaker expects to introduce over 100 fuel cell buses, mainly within the Tokyo metropolitan area, ahead of the Olympic and Paralympic Games Tokyo 2020.

In line with its overarching aim of creating a bus that works for and supports society, the Japanese automaker has leveraged the Toyota Fuel Cell System (TFCS) in the Sora for its environmental friendliness and ability to serve as a power source in the event of a disaster. The Sora features human-centric universal design and functions.


The Toyota Fuel Cell System (TFCS), which was developed for the Mirai fuel cell electric vehicle (FCEV), has been employed to realise high environmental performance with no CO2 emissions or Substances of Concern (SoC) emitted when in operation, as well as quiet comfort with minimal vibration.

The Sora is equipped with a high-capacity external power output device, which can provide high output and a large capacity of electricity supply (9 kW maximum output, and electricity supply of 235 kWh) and has potential use as an emergency power source following disasters.


The Sora has horizontal seats with an automatic storage mechanism, a first in Japan. The Sora's seats are automatically stored when not in use, improving comfort and convenience for passengers with strollers and wheelchairs as well as other passengers.

Eight high-definition cameras fitted inside and outside the vehicle detect pedestrians and bicyclists around the bus providing a field of vision support camera system. When at bus stops, the system warns the driver of surrounding pedestrians and bicyclists through sound notifications and images thereby improving safety.


The acceleration control function suppresses sudden acceleration and enables smooth acceleration from complete stops in consideration of the safety of standing passengers. Also, as the bus is not motor operated, there is no gear shifting, resulting in minimal lurching.

The design pursues stereoscopic shaping that significantly differs from the hexahedron (box shape) of conventional buses. It also uses LED technology for the front and rear lights.

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