The graph below gives information from a 2008 report about consumption of energy in the USA since 1980 with projections until 20

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问题     The graph below gives information from a 2008 report about consumption of energy in the USA since 1980 with projections until 2030.
    Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
   

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答案 The graph shows energy consumption in the US from 1980 to 2013, and projected consumption to 2030. There was a fluctuation in the number of petrol and oil from 1980 to 1995. After that the number will rise gradually until 2030, peaking at 47q. The 50 years witnessed a slight increase in the number of coal. After a fluctuation from 1980 to 2015, the number of natural gas will remain stable at 25q until 2030. There will be a slow growth in the number of nuclear over the 50 years. Similarly, the number of solar/wind will grow moderately during this time period. However, the 50 years will see little change in the number of hydro power. Petrol and oil had and will have the highest number in the six energy sources throughout this period. Either natural gas or coal occupied the second place. The number of nuclear was slightly higher than that of solar/wind and hydro power had the lowest number. Overall, the US will continue to rely on fossil fuels, with sustainable and nuclear energy sources remaining relatively insignificant.

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