Hydrogen is one of the lightest elements in the universe but also the most abundant : 75% of the universe’s mass is constituted of hydrogen and 92% of the molecules are made of hydrogen, such as water for example. Fantastic energy vector, hydrogen is totally decarbonized, that means it does not emit carbon dioxide (CO2), one of the greenhouse gases responsible for the global warming of our planet. Not only does hydrogen allow to produce power without any CO2 emission, but it also has an important capacity of power storage. Nevertheless, how will this element be used?

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