The national gas price average has reportedly topped $4 for the first time in almost 4 years, with some areas such as Arizona reaching $4.68. However, there is some uncertainty as one outlet reports that the average has dropped below $4 a gallon. Gas prices have been rising, with some attributing the increase to a spike in gasoline prices and others to the Iran war, contributing to inflation topping 4% for the first time in 3 years.