: not blended with anything else : free of charge from almost everything that might make filthy, modify, or reduced the standard Syngas could be transformed into fuel (for example synthetic pure gas). It will also be transformed into methane and used for a substitute for purely natural fuel. Elliott https://cesarwktbj.digitollblog.com/38276165/new-step-by-step-map-for-biofuel-pellet-plant