The given line graph provides information about the quantity of electricity produced from three different energy sources such as coal, natural gas, petroleum to supply New York city from 1980 and 2000.
Overall, Petroleum was the main source of electricity and demostrared the highest rate during the period.At the beginning of period natural gas showed the lowest rate.However at the end natural gas experienced an upward trend followed by petroluem.
In 1980, petroleum was the highest source of electricty producing about 300 kilowwats.The figure for petroleum increased to about 600 kilowwats in 1986, before falling to around 350 kilowwats in 1990.After that, it rose again and reached to approximately 700 kilowwats in 2000.
Coal production was about 200 kilowatts 1980 and increased slightly to around 300 kilowwats in 1985. However it declined steadily to approximately 150 kilowwats in 2000.Natural gas remained at about 100 kilowatts until 1985, while then increased significantly to around 500 kilowatts in 2000.
