Awareness about recycling motor oil is limited as compared to other recycled products such as paper, glass and metals which are relatively popular. It is imperative that we understand the damage we cause to the environment by throwing oil in garbage and storm drains. It doesn’t take more than one gallon of oil to pollute a million gallons of water. Toxic metals such as arsenic, zinc, benzene and cadmium are generally found in used motor oil and can cause environmental damage if poured on the ground.