Arizona's average gas price remains the seventh most expensive in the country, according to AAA's Fuel Prices database. The price of gas jumped by over 30 cents a gallon a month ago, when ...

Last week, Arizona's average price of gas jumped by around 30 cents a gallon as refineries started producing a summer fuel blend that is more expensive, according to AAA's Fuel Prices database.

In addition to warming weather and chirping birds, there's another tell-tale sign that the seasons are changing in Arizona: gas prices are going up. Every year, Arizona switches to a summer ...