In article ,
Rosalie B. wrote:

Synthetic oil is not necessarily produced in a refinery - more like a
chemical plant.

It would be nice if all you folks, would define for the rest of us, the
difference between a "Refinery" and a "Chemical Plant". This seems to
be the crux of the problem in this thread, definitions. Cripes, any
fool can gripe about this or that, but lets get the definitions straight
first so we all are talking from the same language.....

Me