I always try to remember hydrogen "powered" vehicles still have electric motors and the hydrogen must be converted to electricity. Hydrogen is also more difficult and costly to distribute / transport than plain electricity.
But hydrogen can be suited to depot type operations with many vehicles passing through that depot eg. a trucking route, buses, ferries, etc.
Hydrogen is just not very efficient or practical for vehicles that travel randomly all over the place.
See Chart: Why Battery Electric Vehicles Beat Hydrogen Electric Vehicles Without Breaking A Sweat
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