Gasification is a process that converts carbon-rich materials such as coal, biomass and waste feedstocks into carbon monoxide, hydrogen and carbon dioxide through a series of chemical reactions with sub-stoichiometric amounts of air or oxygen. The resulting gas mixture, known as syngas, can be used as a fuel or as a synthesis gas for the production of other chemicals and liquid fuels. https://logcla.com/blogs/400010/Making-Biomass-Useful-Through-Gasification