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Disadvantages: 1.Oil is a carbon based fuel and the primary way it is used is to burn it, releasing more than its weight in CO2 because of the added oxygen. CO2 is a greenhouse gas
http://wiki.answers.com/Q/What_are_the_disadvantag...
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Petroleum as a fuel presents certain problems. There is only so much of it, and at some point production levels will start to decline, and prices will go up even more than they are
http://wiki.answers.com/Q/What_is_the_disadvantage...
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There are a couple of disadvantages of Petroleum usage. First of all, as Humans, we should plan on the Earth lasting us for Millions of years in the future. It is our only home that
http://wiki.answers.com/Q/What_are_the_disadvantag...
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According to the U.S. Bureau of Labor Statistics, only a small percentage of the necessary oil and gas flows out due to natural forces. An advantage of being a petroleum engineer
http://www.ehow.com/info_12036370_advantages-disad...
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