Waste oil

This article is about used petroleum-based or synthetic oil. For used vegetable oil, see Vegetable oil used as fuel.

Waste oil is defined as any petroleum-based or synthetic oil that, through contamination, has become unsuitable for its original purpose due to the presence of impurities or loss of original properties.[1]

  1. ^ Cite error: The named reference EPA1 was invoked but never defined (see the help page).