Do you live in Berkley, Ca. now?
Crude has many good medical uses.
Herbs have many molecules with anomalies to hydrocarbon structure & function.
South Jersey boy, I got a job at a Citroen dealer in Absecon, N.J. while in college (Stockton State in Pomona).
Years later with no dealers around, I feel into a lucrative career rebuilding & selling Citroens.
Ironically, what I learned from college job made me as much money as anything.