A quick recipe for producing hydrogen by speeding up a chemical reaction that occurs in rocks holds out the promise of abundant clean energy in the future, experts believe.

Researchers added aluminium to the natural “serpentinisation” process and found they could liberate hydrogen up to 50 times faster.

Scaling up the experiment could help to meet the world’s future energy needs without contributing to greenhouse gas emissions and climate change, the scientists claim.

However, some major technical hurdles will have to be crossed first – notably an economic way to achieve the enormous pressures involved.



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