Methanol
Green methanol

As of 2023, 0.2% of global methanol production is produced in ways that have relatively low greenhouse gas emissions; this is known as "green" methanol. Most green methanol is produced from gasification of biomass. Syngas is produced from biomass gasification and further converted into green methanol.

Another method of producing green methanol involves combining hydrogen, carbon dioxide, and a catalyst under high heat and pressure. To be classified as green methanol, the hydrogen must be green hydrogen, which is produced using renewable electricity. Additionally, the carbon dioxide in this process must be a product of carbon capture and storage or direct air capture or biomass of recent origin. Some definitions of green methanol specify that the carbon dioxide must be captured during the burning of bioenergy.
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