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

As well as the fuel cell applications for driving vehicles remember that hydrogen is the fuel for a fusion reactions too. That could help provide the electricity required to extract the hydrogen from water.