The diagram shows the consumption of renewable energy in the USA from 1949-2008.

The bar graph compares the consumption of energy in the USA from 1980 and also gives a projection of it till the year 2030. As is presented in the graph, petrol and oil were the main two sources of energy while the use of coal would increase in the coming years.
The line graph depicts information about utilisation of energy in the USA since 1980 with predictions until 2030. In general, petrol & oil and coal accounted as high units of fuel consumption in 1980 and will be increased until 2030.