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Hydrogen - lightest and the most abundant element in the unive | UPSC SUPER SIMPLIFIED

Hydrogen
- lightest and the most abundant element in the universe

- It also carries a lot of energy. One kilogram of hydrogen packs 140 mega joules(MJ) of energy, while petrol and diesel carry close to 46 MJ. So, it’s a pretty good automobile fuel, if you know how to store large quantities of it on a vehicle.
- A total of 26 governments have adopted national hydrogen strategies since September 2021.


This topic is important in alternative energy (GS I - Geography, GS III- Economy, Science)