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)
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Other fuels work too, but Hydrogen is the most abundant element in the universe. It’s like the opposite of oil, in that you can find it almost everywhere. No need to rely on foreign countries to buy your hydrogen from. Planning a long distance space journey? Stop and refuel on any celestial body, which is sure to be dripping with hydrogen.
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