题目内容
Question
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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The graph shows energy consumption in the US from 1980 to 2012, and projected consumption to 2030.
Petrol and oil are the dominant fuel sources throughout this period, with 35 quadrillion (35q) units used in 1980, rising to 42q in 2012. Despite some initial fluctuation, from 1995 there was a steady increase. This is expected to continue, reaching 47q in 2030.
Consumption of energy derived from natural gas and coal is similar over the period. From 20q and 15q respectively in 1980, gas showed an initial fall and coal a gradual increase, with the two fuels equal between 1985 and 1990. Consumption has fluctuated since 1990 but both now provide 24q. Coal is predicted to increase steadily to 31q in 2030, whereas after 2014, gas will remain stable at 25q.
In 1980, energy from nuclear, hydro- and solar/wind power was equal at only 4q. Nuclear has risen by 3q, and solar/wind by 2. After slight increases, hydropower has fallen back to the 1980 figure. It is expected to maintain this level until 2030, while the others should rise slightly after 2025.
Overall, the US will continue to rely on fossil fuels, with sustainable and nuclear energy sources remaining relatively insignificant.
Petrol and oil are the dominant fuel sources throughout this period, with 35 quadrillion (35q) units used in 1980, rising to 42q in 2012. Despite some initial fluctuation, from 1995 there was a steady increase. This is expected to continue, reaching 47q in 2030.
Consumption of energy derived from natural gas and coal is similar over the period. From 20q and 15q respectively in 1980, gas showed an initial fall and coal a gradual increase, with the two fuels equal between 1985 and 1990. Consumption has fluctuated since 1990 but both now provide 24q. Coal is predicted to increase steadily to 31q in 2030, whereas after 2014, gas will remain stable at 25q.
In 1980, energy from nuclear, hydro- and solar/wind power was equal at only 4q. Nuclear has risen by 3q, and solar/wind by 2. After slight increases, hydropower has fallen back to the 1980 figure. It is expected to maintain this level until 2030, while the others should rise slightly after 2025.
Overall, the US will continue to rely on fossil fuels, with sustainable and nuclear energy sources remaining relatively insignificant.
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