http://www.biodiesel.org/pdf_files/fuelfactsheets/Production.PDF
^ The above link includes a flow diagram on how biofuel is created. I don’t really understand it.
Could you explain the whole process to me in words?
Also, what does ~ mean?
I only need to know the process of creating biofuel, so I don’t know whether all the other stuff about glycerine and fatty acids are [...]
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