this post was submitted on 12 Feb 2025
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That way though you would have to haul around the electrolyzing equipment with you which seems redundant and it's pretty heavy. I'm not sure that would necessarily work.
Also in that scenario you would have to keep the water on board so that you could electrolyze it again. That adds even more weight. A molecule of water weighs 18 times more than a single hydrogen atom so every single time you run this process your vehicle suddenly gets massively heavier.
I think you misunderstood me. I'm saying good trucks would use the fuel, not generate it. They'd stop at warehouses and hubs and whatnot to refuel using "waste" energy from the warehouse or hub.
The whole point is that trucks largely take routine routes, so it's fine if availability is limited because they can plan trips around refueling points. Also, they're massive, so there are plenty of options for storing the hydrogen since space isn't really an issue.