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

1. Hydrogen is very abundant.
2. The emissions from “burning” Hydrogen is just H2O which is much cleaner that CO2 and CO. I believe some Hydrogen cars even collect the H2O emissions and store it in a water tank that you can use later as drinking water.