"Petroleum is the most important fossil fuel in the modern industrial world" (Craig, 2001). Petroleum, a base for many types of fuel and lubricants, is nonrenewable resource. One day, we will have no more oil; but until that day comes, earth's inhabitants will have to buy and sell the petroleum that currently exists.
Some Americans say that the U.S. should be completely self-sufficient, and supply itself with oil from Texas, Alaska, and other areas. However, when o
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