The biofuel was derived from jatropha, an inedible plant grown by PetroChina, a state-owned oil company, on a plantation in southwest China and refined by Honeywell.

Hogwash oil is refined, inedible waste oil - of poor quality and unsanitary.

An extremely desirable moisturizer rich in vitamins a and e, apricot kernel oil is extracted from the inedible kernels found in the apricot pit.