Gasoline averages more than $4 a gallon in four states: Alaska, California, Hawaii and Illinois. At nearly $4.44 a gallon, Hawaii ranks as the nation's high. Prices are within a nickel of the $4 mark in Connecticut, the District of Columbia, Michigan, Oregon, New York and Washington, according to AAA.As good a chart as any to see historical prices for gasoline futures contracts. The "front page" is free, but everything else requires a subscription.
Gasoline futures contracts rallied $53 (per 100 gallons) or 19.44 percent during the last 12 months. From 2005 until 2012 gasoline futures prices averaged $206.86 reaching an historical high of $357.10 in July, 2008, and a record low of $79.29 in December, 2008. Gasoline is the largest single volume refined product sold in the US and accounts for almost half of national oil consumption.And, of course, Bloomberg's.
Another interesting site to explore.