The information in the graph describes differences between
energy consumption and production since 1950. It is also estimates the trends
up to 2025.
Between 1950 and 1970, both production and consumption
increased from just over 30 units to about 65 units, and although consumption
was consistently higher, the different was marginal during this period.
However, production grew only gradually over the next 30 years to reach 70
units in 2000. In contrast, growth in consumption was steeper and moves
fluctuating reach 95 units in 2000. Energy import needed to bridge this gap. Therefore
increased from very little in 1970 to a substantial 25 unit in 2000. Projections
up to 2025 indicate that this trend is likely to continue, with the gap between
production and consumption is widening. By 2025, it is expected that
consumption will reaches up to 140 units, while production will reach only 90 units.
So more 30% of energy consumed (50 units) will have to be imported.
Overall, the graph indicates that energy production in the
US is not keeping up with consumption, so import will continue to increase.