I didn’t know these fuels were practical enough for commercial use already, so that’s great! Now, if they could settle on one name for each!
Syngas or Synthesis Gas
A fuel gas mixture consisting primarily of hydrogen, carbon monoxide, and very often some carbon dioxide
Synfuel or Synthetic Fuel
A liquid fuel, or sometimes gaseous fuel, obtained from syngas
Synthetic or Non-fossil Kerosene
Kerosene used as aviation fuel that is created without fossil resources