[schainks]

Show me how the capital costs of rolling out high PSI hydrogen infra will be cheaper than building a power grid. You can even refit and re-use existing natural gas pipelines to move hydrogen if you want to cheat. I am willing to bet the costs per kW will still be crazy, especially at last mile where you are in an area populated by humans.

I don't see a bright future for hydrogen in transport while we keep putting cheap solar, wind, and batteries on the grid / roads.

[ryantgtg]

Yeah. Vehicle costs are pretty much the same (for battery electric and fuel cell electric buses, at least) and are about 2-3x more than ICE. On-site hydrogen infra for fueling/storage is substantially more than charging equipment. H2 fuel is currently $10-20 per kg (the higher end accounts for vapor losses), which is, again, much greater than either diesel or electricity.

[ryantgtg]

Replying to myself. I just read the article. The gray/blue/green H2 fuel costs in the article do not reflect current U.S. fuel costs.

Gray is $8-10 for liquid delivery. This equates to a little over $1 per mile, which - compared to a CNG bus - is double the operating cost (and about 4x more than a battery electric bus per mile... just for fuel/electricity). And yeah, as I mentioned previously, capital costs will be like 1.3x of battery electric.

That said, there are lots of novel ideas out there for creating H2 fuel! Forest waste (with supposedly all carbon captured), methane pyrolysis (with carbon bricks as an output). The promises never end.