The document discusses various methods for hydrogen production, including electrolyzers, steam reforming, and pyrolysis. It highlights the role of CO2 and hydrocarbons in the process and suggests carbon capture and storage (CCS) as a method for reducing emissions. Additionally, it emphasizes the diverse applications and potential of hydrogen energy.

1. Green H2
Turquoise
H2
Grey H2
Blue H2
H2O
Electrolyser
CO2
Hydro-
carbons
CO2
CH4
C
O2
Hydro-
carbons
CO2
Electricity
CH4 Pyrolyser
Steam
Reforming
Steam
Reforming
CCS
Copper Oak - Hydrogen: a world full of colours