Hydrogen | UPSC Daily Current Affairs 2023

🔸It is one of the most abundant elements on earth for a cleaner alternative fuel option.
🔸Type of hydrogen depend up on the process of its formation:

👉Green hydrogen:

1.It is produced by electrolysis of water using renewable energy (like Solar, Wind) and has a lower carbon footprint.
2.Electricity splits water into hydrogen and oxygen.
3.By Products : Water, Water Vapour.

👉Brown hydrogen:

It is produced using coal where the emissions are released to the air.

👉Grey hydrogen:

1.It is produced from natural gas where the associated emissions are released to the air.
2.It currently accounts for 95% of the total production in South Asia

👉Blue hydrogen:

It is produced from natural gas, where the emissions are captured using carbon capture and storage

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