Types of Hydrogen on the basis of production
Green Hydrogen
It is produced by electrolysis of water using renewable energy like wind, solar energy. India is front runner for production of green hydrogen.
Brown Hydrogen
It is hydrogen produced by using of coal. Emission gases are released in atmosphere.
Grey Hydrogen
It is hydrogen produced by using natural gas. Emission gases are released into atmosphere.
Blue Hydrogen
In this hydrogen is produced by using natural gas, and emission gases are absorbed and not to be released into atmosphere.