ZMP, a developer of autonomous driving technology, and the taxi company Hinomaru Kotsu, are using Toyota vans on a 5km route.
I suspect we can expect to see accelerating clean-energy innovation of this general kind in the run up to the Tokyo Olympics. Japan, the Japanese, and Japanese tech is going to be on show to the world. My experience of all the Japanese is that they will be driven, if you will pardon that pun.
Image: screenshot from video on ZMP website