Does oil poison plants?

Answer:
Oil is formed over millions of years, decaying plants and organic matter being compressed. Since oil originated from plants, it cannot actually poison them. Some forms of engine oil will poison plants because they are synthetic, or has been used oil it had been polluted with sulfur from the pistons of the engine.
First answer by Fast thinker. Last edit by Fast thinker. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 2 [Recommended].