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

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 comparison where relevant.
   
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答案 The line graph describes how US energy consumption by six different fuels changed since 1980 and projections to 2030. It is clear to see that the energy derived from petrol and oil was and is projected to be the major consumption source in the US. The developing trend of such energy consumption is, generally speaking, increasing and predicted to reach a little under 50 quadrillion in 2030 from 35 quadrillion in 1980, though there were some fluctuations in the first 15 years. The energy consumption produced by coal and natural gas nearly follows the same developing trend in this 50-year period. From 1980 till the present day, the energy consumptions based on these two fuels both fluctuated with a rising trend and reached 25 quadrillion in 2015. From this point onwards, the energy produced by coal is predicted to continue growing and hit over 30 quadrillion in 2030, while that of natural gas should remain stable at 25 quadrillion. The energy generated by nuclear, solar/wind and hydropower plays a much less significant role in American people’s life. They all started at 4 quadrillion in the beginning and small fluctuations are the main feature for all of them throughout the time period. Till 2030, the energy consumptions from nuclear and solar/wind power are expected to reach 6 and 5 quadrillion respectively, whilst that of hydropower should be stabilised at 4. Overall, the energy consumption in the US is projected to increase for most of these six fuels with petrol and oil always performing the most significant part.
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