CHINA: Zhengzhou Public Transportation Corp is to put 20 hydrogen fuel cell buses into commercial demonstration operation.

The buses that Yutong is supplying are equipped with a kneeling function for easier boarding, as well as a ramp.

The supplier says that the buses have a range of 500 km, and refuelling takes less than 10 min. They are equipped with four hydrogen leakage sensors that trigger an alarm when the hydrogen concentration reaches 1·6%. At 2%, the hydrogen supply is automatically cut off.