This chart illustrates the number of fuel consumption

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Essay：

This chart illustrates the number of fuel consumption(Quadrillion) in USA from 1980 to the projections until 2030. 

It is clear that the Petrol and Oil was the most important fuel source throughout the whole period. The trend showed the steady increase from 35 to 41 between 1980 and 2015, except two small dropped from 1980 to 1985 and from 1990 to 1995. After which, there is expected to be a gradually rise to about 50 in 2030. 

The consumption of Coal and Natural Gas was similar over the period. The years from 1980 to 2015 saw a growth about two fuel from 16 and 20 to both 25. From then on, the number of Coal expected to climb to 30 while the Natural Gas keep stable.

Energy from other three kinds of fuels were all starting at 4. Then, USA witnessed a slight increase of Nuclear and Solar/Wind to 7 and 5 in 2015, with a minimal fall of Hydropower to 3. Finally, they are all expected to stay steady until 2030, except two marginal rise of Nuclear and Solar/Wind to 8 and 6. 

In conclusion, the America will mostly use Petrol and Oil for energy in the future, while Nuclear or Hydropower are not such important.

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