H2 car is a (small) battery EV with an onboard powerstation, it just happens to run on H2.
It is about 35% as efficient as using the leccy to make the H2, as it is to charge a battery.
If they could make a fuel cell that ran on bio-ethanol as fuel then I think that could be the jump FCEVs need but they seem quite far back in development and fuel cells are insanely complex, use more expensive materials than a decent battery pack, and needs very specific servicing arrangements.
en.wikipedia.org/wiki/Direct-ethanol_fuel_cell#Recent_accomplishments
I think battery chemistry will rapidly outpace fuel cell development and hydrogen production capabilities - Lithium Iron Phosphate batteries aren't quite as energy dense as the cobalt containing Li ion but are already in use in Tesla's Chinese built Model 3. Last year's prices were as low as $80/kWh.
en.wikipedia.org/wiki/Lithium_iron_phosphate_battery
Hydrogen is a dead end without near limitless power to create it, compress it, and transport it around - power which is easier to shove through the national grid and into your 240V plug at home.
>>I bet if you had an H2 car like James May you'd be bouncing to a different diagnosis doc.
I'd be unable to fill it up - I think the nearest 'pump' is in Aberdeen.
Also look like a ballache for servicing:
www.greencarreports.com/news/1111440_how-do-you-service-a-hydrogen-fuel-cell-car-at-a-dealer
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Hydrgen powered vehicles new
Hydrgen powered vehicles new