Hydrogen is the most efficient fuel storage ‘battery’ with 40-50% round-trip energy storage possible [...] Desert pv will likely come down in price to consistent ~$0.01-0.02
If energy prices come down so much, the round-trip efficiency is not central.
You need much larger storage tanks in both ships and airplanes if you go for hydrogen than if you use denser fuel.
And electrolysis and liquefaction tech are on track to yield the stated $1.50/kg (learning curves are magic).
If that’s true why are the subventions for its production so high? What sources do you find trustworthy for those costs in an environment where plenty of the players have incentives to make people believe in a certain future?
If energy prices come down so much, the round-trip efficiency is not central.
You need much larger storage tanks in both ships and airplanes if you go for hydrogen than if you use denser fuel.
If that’s true why are the subventions for its production so high? What sources do you find trustworthy for those costs in an environment where plenty of the players have incentives to make people believe in a certain future?