It was produced in nature.
Although ethylene glycol is artificially produced, Galaria melonella feeding on beeswax can, with the help of an enzyme or bacteria in its digestive system, break polyethylene (a common plastic) (PE) into ethylene glycol.
It is used in cold countries.
Antifreeze is added to the car’s radiator water.
It is used in the manufacture of some fake toothpastes.