 Arizona News Radio. Gas prices in the state much lower than at this time last 4th of July. They've been declining for weeks, but AAA's Julian Paredes warns it could be ticking up again soon. The market's figuring out supply and demand. Lots of people are going to take road trips. Price of oil is also increasing, and we have a hurricane season going on. There's a couple things going on. Prices might shift around.