Schauberger
The practical aim of this explanation is the production or ur-creation of a hydrocarbon that neither burns, nor smells or makes noise, the essential point here being that it is of a much higher grade and therefore functions far more efficiently as a propellant than oil, which has been cleverly manipulated, or the synthesised product that the chemist calls synthetic petrol (gasoline). [The Energy Evolution - Harnessing Free Energy from Nature, The Liquefaction of Coal by Means of Cold Flows]

See Also

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high-grade
high-grade difference
higher grade
higher-grade
highest grade
highest-grade
low-grade
low-grade element
lower-grade