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

Because it burns clean and is the most abundant element in the universe. “Of the future” because we haven’t yet figured out a cost effective way of storing it or producing it for a mass volume market.