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[Omega Supreme Holopsicon]

Electrolysis isn't at peak theoretical efficiency.
Already scientists are developing ways to increase efficiency by using so called meta materials on the electrical side and using small mechanical highspeed flywheel on magnetic bearings to atomise the water.
I'm no expert but shit is getting done and even if you cant make this shit work on a car it will still open up hydrogen fuel to the masses at an affordable price.
And storing hydrogen isn't that big of a deal with some of the technology we have today like with kevlar/cf type woven materials becoming more mainstream.
If you want your mind blown look into nikola tesla turbine+pump that engineers are working on.

Still hydrogen itself will never be an energy source, unless you're talking fusion. It is an energy store. And kevlar may be tough but high speed crashes can do away with even some of the most resistant materials.

Maybe if we had automated vehicles and probability of crashes was way down. But still, unless hydrogen production efficiency increases drastically it is likely going to always take more energy to produce, transport, and store than filling a battery. This additional required energy might be justifiable if there is no other alternative like in long distance trucks and heavy machinery, but for everyday vehicles it is highly impractical as an alternative to batteries. And keep in mind batteries will also keep improving and getting cheaper.

 

[V4skunk]

Still hydrogen itself will never be an energy source, unless you're talking fusion. It is an energy store. And kevlar may be tough but high speed crashes can do away with even some of the most resistant materials.

Maybe if we had automated vehicles and probability of crashes was way down. But still, unless hydrogen production efficiency increases drastically it is likely going to always take more energy to produce, transport, and store than filling a battery. This additional required energy might be justifiable if there is no other alternative like in long distance trucks and heavy machinery, but for everyday vehicles it is highly impractical as an alternative to batteries. And keep in mind batteries will also keep improving and getting cheaper.

Mate I'm no expert but you don't have a clue about what technology is being developed.
Battery technology is a joke that is more polluting than any petrol or diesel burning engine when you take into account mining of rare metals, manufacturing and the fact that we cannot even recycle a lithium battery properly.
Wind/solar with batteries is going to wipe out the west with x50 increased electricity bills and huge power cuts everywhere.
Just Britain alone would need wind turbines along the entire coast of the country going out 2 miles to sea just to supply current demands.
And again go read the patents for tesla turbine and pump and have your mind blown. Or go search for gravinert and ienergysupply on YT.

 

[Omega Supreme Holopsicon]

Mate I'm no expert but you don't have a clue about what technology is being developed.
Battery technology is a joke that is more polluting than any petrol or diesel burning engine when you take into account mining of rare metals, manufacturing and the fact that we cannot even recycle a lithium battery properly.
Wind/solar with batteries is going to wipe out the west with x50 increased electricity bills and huge power cuts everywhere.
Just Britain alone would need wind turbines along the entire coast of the country going out 2 miles to sea just to supply current demands.
And again go read the patents for tesla turbine and pump and have your mind blown. Or go search for gravinert and ienergysupply on YT.

You're going to need even more solar and wind power to produce hydrogen vs charging batteries. Batteries are being made with more common materials, and recycling is improving. I've heard Elon Musk, who's probably more educated in terms of future hydrogen and battery technologies, doesn't have a positive view of hydrogen.

Tesla co-founder and CEO Elon Musk has dismissed hydrogen fuel cells as “mind-bogglingly stupid,” and that is not the only negative thing he has had to say about the technology. He has called them “fool cells,” a “load of rubbish,” and told Tesla shareholders at an annual meeting years ago that “success is simply not possible.”

Elon Musk says the tech is 'mind-bogglingly stupid,' but hydrogen cars may yet threaten Tesla

Tesla and a growing list of competitors in the electric vehicle market dominate debate over the future of cars and recharging networks, but there's another kind of green transportation making inroads, based on the most abundant resource in the universe: hydrogen fuel cells.

www.cnbc.com