The graph below gives information from a 2008 report about consumption of energy in the USA since 1980 with projections until 2030

The given line graph illustrates the figure for energy consumption in America over a period of 50 years, from 1980 to 2030 with projections that have been published in 2008.

Overall

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, by relying on history's evidence, the usage of petrol and oil was the highest and

due to

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that, it has been predicted that it will stay first in the subsequent years.

By contrast

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, hydropower fluctuated in the history over 25 years and projections show that it will remain constant until 2030.

To begin

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, the figure for petrol and oil fluctuated from around 33 from 1980 to 1995, after which it rose rapidly to about 40 until 2005, and the predictions claim that it will rise gradually to approximately 45 by the year

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2030. Coal and natural gas accounted for the second highest percentages. Both figures increased slightly by 5 until 2005,

while

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projections demonstrate that the percentage of coal will exceed that of natural gas. The amount of nuclear, solar

and

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wind and hydropower stood the same at nearly 10.

Whereas

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it has been predicted that the figure for nuclear will rank first with 8 until 2030.