Oil is generally not used to make plastics.<p>That said, nearly everything else is, at least indirectly.<p><a href="http:&#x2F;&#x2F;www.eia.gov&#x2F;tools&#x2F;faqs&#x2F;faq.cfm?id=34&amp;t=6" rel="nofollow">http:&#x2F;&#x2F;www.eia.gov&#x2F;tools&#x2F;faqs&#x2F;faq.cfm?id=34&amp;t=6</a>