The line graph illustrates the data from 2008 statistics about consumption of energy in the USA since 1980 with projections until 2030. Overall, it can be noted that in the period of 50 years the energy usage of Petrol a
the presented line chart illustrates how american energy consumption(petrol and oil, coal ,natural gas and nuclear,solar and hydropower )over the period since 1980 with projections until 2030.