The charts compare the cost of energy in two varying states of America between 2005 and 2009.
overall, it is clear that the higher price was seen in gasoline in state A and B while lower price was recorded in petrol. State B experienced a fluctuation throughout the period. In 2008, both energy sources are reached their peak. Despite these growths, after a year both of them witnessed a dramatic decrease. Units are measured in US dollars.
In state A, gasoline was stood at 0.80 US dollars while petrol was 0.60 US dollars. After a year, the figure for gasoline increased to 1.05 US dollars meanwhile, petrol increased to 0.85 US dollars. Before gasoline reached to 1.40 US dollars and petrol reached to 1.20 US dollars, the number for petrol climbed to 1.00 US dollars and gasoline increased to 1.40 US dollars. In 2009, the number for gasoline dropped dramatically to 0,75 US dollars along with petrol increased to 0.55 US dollars
In state B, 0.90 US dollars was for gasoline and 0.70 US dollars for petrol. After that, the figure for the gasoline experienced a slight increase to 1,15 US dollars and the figure for the petrol is also witnessed a minimal increase 0.95 US dollars. Before gasoline increased to 1.30 US dollars in 2008, it witnessed a minimal decrease to 1.10 US dollars. In the final period the figure for the gasoline saw a reduction to 0.70 US dollars. The number for petrol reduced to 0.90 US dollars in 2007 and a year later the figure for petrol increased to 1.10 US dollars but this was followed by a dramatic decrease to 0.55 US dollars from 1.10 US dollars in the final period.