Sumathi Sethupathi0000-0002-4395-0896Zhi Hua LeeK.Gobi2025-10-272025-10-272025978044315741710.1016/B978-0-443-15740-0.00116-6https://dspace-cris.utar.edu.my/handle/123456789/11591Methanol is a renewable source of energy that can be produced from carbon containing raw material. Methanol is considered one of the clean sources of energy and can be an excellent substitute or additive for fuel and modified diesel engines to be used as fuel. This chapter focuses on CO2 reduction to methanol using hydrogen. Catalysts used for this reduction, the reaction mechanism, kinetics, and thermodynamics of the reduction process are discussed thoroughly with examples. Finally, the advantages and disadvantages of the reduction process are elucidated with future prospects. © 2024 Elsevier Inc. All rights are reserved, including those for text and data mining, AI training, and similar technologies.enCarbon dioxideDirectHydrogenHydrogenationMethanolbook-chapter