I think the government can help, since hydrogen is a risky investment. I am thinking of the high–frequency train, for example, which will be pulled by a locomotive using diesel fuel, while in Europe, they are moving toward hydrogen trains. The same thing is happening in the Toronto region. The company Metronic recently announced it was backing off its hydrogen train project.
I think those projects need government encouragement, as decision–makers may not be ready to take the risk of being the first to have a hydrogen tramway or a hydrogen train in their region.
The same goes for buses. Many electric buses are being purchased around the country thanks to government assistance, while there are nearly no hydrogen buses. However, there are surely places where they would be more appropriate.