The pie charts below show the rates of energy production in Germany and Japan in 1990 and 2000. Summarize the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

The pie charts illustrate the distribution of energy output in Germany and Japan in 1990 and 2000. Overall, while the use of renewable energy sources increased, there was a decrease in energy production from fossil fuels. Additionally, the gap between energy output rates in the two years narrowed significantly compared to the previous ten years. […]