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hw 6 - 5 In industrial and in transportation processes a...

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5. In industrial and in transportation processes a great deal of energy is rejected to the environment. Calculate how much energy this is estimated to be in the United States. How does this compare to the amount of oil we import in the US? - The United States receives approximately 84% of its energy from fossil fuels. This energy is used for transport, industry, and domestic use. In the United States, oil is primarily consumed as fuel for transportation such as cars, buses, trucks and airplanes. Two-third of United States oil consumption is in the transportation sector. In 2007, the largest source of the country’s energy came from petroleum (40%), followed by natural gas (24%) and coal (23%). The remaining 15% was supplied by nuclear power, hydroelectric dams, and miscellaneous renewable sources. A mere thirty years ago, 28% of the oil consumed in the United States was imported. Today nearly 60% of the oil utilized and consumed in the United States is imported from other countries.
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