As we can see in the previous chart, in 1980s, the dominant source of energy was oil, generating the 42% of total energy consumption, followed by natural gas and coal, contributing 26% and 22% respectively, and the less
The two pie charts provide information about the various power plant resources in the USA. The data was taken from the 1980s and 1990s. Overall, there was not much difference in the numbers between the two periods, only
The pie charts illustrate the proportion of different sources of energy namely: oil, nature gas, coal, hydroelectric Power and nuclear power that the USA used between 1980 and 1990.