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

The graph below gives information from a 2008 report about energy consumption in the USA since 1980, with projections until 2030.
The line graph illustrates the changes in different types of energy consumed in the USA over 50 years from 1980 to 2008
together with
the predicted to 2030.
Overall
, the consumption of five fuels shows a general upward trend during 50 years, except
hydropower
, which will remain the same in 2030 compared to 1980. Petrol and oil are the major energy sources since 1980
while
hydropower
will be the least important fuel in the future. The major fuels were petrol and oil, natural
gas
, and coal in 1980, which were approximately consumed 16 quadrillion
units
, 20 quadrillion
units
and 35 quadrillion
units
respectively. Petrol and oil show the most sharply increase trend, which will rise by about 13
q
units
to reach 48
q
units
.
While
coal and natural
gas
grow quite slowly and intersect many times. At the beginning of the record, coal was slightly higher than natural
gas
for around 4
q
units
. But after the
last
time intersection in 2013, coal will take over natural
gas
reaching 30
q
units
.
In contrast
, the trend of nuclear, solar/wind, and
hydropower
are unobvious. Nuclear and solar/wind will slightly climb within 5
q
units
expecting to about 4 and 7
q
units
in 2030.
However
, the consumption of
hydropower
will be basically unchanged in 50 years, which will
finally
become the least-used fuel.
Submitted by liuyuanssg on

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Sentences: Add more complex sentences.
Linking words: Don't use the same linking words: "while".
Conclusion: The conclusion is too long.
Vocabulary: Replace the words hydropower, gas, units, q with synonyms.
Vocabulary: The word "shows" was used 2 times.
Vocabulary: The word "trend" was used 3 times.
Vocabulary: The word "about" was used 2 times.
Vocabulary: The word "slightly" was used 2 times.
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