Why only hydrogen is regarded as fuel of future and not other elements?

Question

I have basic idea of working of hydrogen fuel cell but why just hydrogen? Isn’t there any better or maybe cheaper alternative?
(I know it’s bit complex for but I would appreciate your answers)

In: 346

Answer 1

Allow me to introduce you to the Nitrogen Economy: https://scitechdaily.com/replacing-carbon-fuel-with-nitrogen-chemists-discover-new-way-to-harness-energy-from-ammonia/