https://indianexpress.com/arti....cle/technology/scien

For many, hydrogen is the fuel of the future. New research raises doubts | Technology News,The Indian Express
indianexpress.com

For many, hydrogen is the fuel of the future. New research raises doubts | Technology News,The Indian Express

Today, very little hydrogen is green, because the process involved — electrolysing water to separate hydrogen atoms from oxygen — is hugely energy intensive.