synthetic fuel
liquid fuel, or sometimes gaseous fuel, obtained from syngas, a mixture of carbon monoxide and hydrogen, in which the syngas was derived from gasification of solid feedstocks such as coal or biomass or by reforming of natural gas
en-GB/sɪnˈθɛtɪk ˈfjuːəl/
en-US/sɪnˈθɛtɪk ˈfjuəl/