Clearly, in 2000, the most popular source of energy was oil and coal in both countries

The bar charts introduce, percentage of utilizing energy in two different countries such as United States and Great Britain between 2000 and 2006.
Overall, it is clear that in USA source of energy such as oil and coal had more percentage of consumption than in UK, meanwhile during this period of time Great Britain consumed gas, nuclear and other renewable resources more than first country.
Clearly, in 2000, the most popular source of energy was oil and coal in both countries.
To begin with, energy production by oil was higher than in USA than in UK, approximately at 38% and 28% respectively.