You fail to mention the many fuel cell buses which operate in the world today. (cleantechnica.com)
In view of this, the FC buses will be sold for the first time in Japan in early 2017 so as to encourage the utilization of fuel cell buses as a form of public transportation. (transportation.gov)
When the buses are operational, BC Transit will have the largest hydrogen fuel cell bus fleet worldwide,... Read more → (greencarcongress.com)