My opinion is that long-haul trucking is pretty much the only application where Hydrogen propulsion could make sense: Refueling infra only needs to cover truck

My opinion is that long-haul trucking is pretty much the only application where Hydrogen propulsion could make sense: Refueling infra only needs to cover truck stops (much more geographically consolidated compared to passenger cars). Autonomous driving tech would made it possible to run 24x7 (given recent advances, this is no longer a pipe dream), so BEV long recharge times would eat into uptime, but H2 refill won't (compared to diesel). Heck, if some kind of ICE could support flexible H2/LPG/CNG fuel, it's still gonna be much better than diesel + DEF.