The two bar charts illustrate the price of gasoline and petrol measured in US dollars per litre in two American states, including State A and State B, between 2005 and 2009.
Overall, the price of both fuels recorded the highest in 2008 in two States, whereas these prices were the lowest after 1 year. Notably, gasoline and petrol in both States increased throughout before plunging in the final year.
Regarding State A, the price of gasoline and petrol stood at 0.80 and 0.60 US dollars per litre in 2005, respectively. Gasoline cost rose steadily to about 1.05 in 2006, 1.20 in 2007 and reached a peak of 1.40 US dollars per litre in 2008 before falling considerably to approximately 0.75 in 2009. A similar trend was recorded by petrol but lower, its figure escalated to around 0.85 in 2006, 1.00 in 2007, 1.20 in 2008 and then dipped sharply to roughly 0.55, which was the lowest price, at the end of the period.
Turning to State B, both fuels followed a downward pattern despite experiencing slight fluctuations throughout. Gasoline started at about 0.90, compared to 0.70 of petrol in 2008. The figures for gasoline and petrol increased to roughly 1.15 and 0.95 before dropping marginally to 1.10 and 0.90 in 2007, respectively. In the next year, gasoline cost recovered to 1.30 versus 1.10 in petrol. The year 2009 witnessed a significant decrease in both fuel prices, with respective estimated figures being around 0.70 and 0.50.