Petroleum is a more common ingredient than you might think...
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About one quarter of the oil consumed in this country is used for industrial purposes. Plastic production is the most obvious example, as awareness grows of the harm plastic does to the earth and people shun the materialwhen they can.
But oil has permeated more of our lives than most people realize. Keep reading to learn the most surprising places you'll find oil, in some form, as a key ingredient.
