Definitely a "why didn't I think of that" moment for me... Liquid hydrogen but a completely different approach:
Crabtree's system on the other hand envisages a system that uses a standard petrol tank containing an organic liquid.
This liquid is passed through a heated module containing a catalyst, which then unlocks the hydrogen and releases it a little at a time to be used as fuel.
The remaining dehydrogenated liquid can then be removed at a filling station and whisked away to be reprocessed - the liquid can be hydrogenated and rehydrogenated repeatedly - making it re-usable.
Fill up the car with organic, hydrogenated liquid (basically an inert, non-toxic substance that can trab hydrogen gas), the car extracts the hydrogen and drops it into a new tank. Empty the used tank out, fill the new one up... tada! You'll have to find some kind of creative solution for getting the liquid back out of the car but this is a very innovative idea.
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