>>508085202Burning bio mass can be refined in to even better burning with higher burning rated egree gas, liquid, col, cox ...
Plastic = starched mixed with citric acid made from corn starch actually exist
From plastic to fuel are easy do able steps:
https://www.youtube.com/watch?v=TFuTCpCVSbM
So why not make "crud oil" direct from plant mass starch? Because that is how it is done and you can drive your dissel car with any high processed oil from grocery store