Tanks of ammonia, used as a fertiliser, at a farmers’ co-op in Kansas. Photo: Getty

Stiesdal’s solution to longer-term energy storage: ammonia

To power Europe during its cold, dark winters with renewable energy will require more than thermal storage, and hydrogen doesn't quite fit the bill, says Henrik Stiesdal

21 March 2018 8:04 GMT Updated  21 March 2018 8:07 GMT
By Leigh Collins