U.S. gas prices are climbing back to about or just above $4 a gallon as tensions between the United States and Iran intensify again. Multiple outlets cite AAA data showing the national average reaching roughly $4.00 to $4.003 on Monday, after a period of easing earlier in the year. The price increase is described as both week-over-week and year-over-year: reports note increases of about 13 to 17 cents versus the previous week and roughly 91 cents compared with the same time last year. Some outlets also report that oil prices are rising alongside the renewed conflict, with global crude—often described using Brent levels—topping around $90 per barrel. Several states and regions are reported to be higher than the national average, including some West Coast locations topping $5 for drivers. Sources also refer to a recent pause or deal aimed at reopening the Strait of Hormuz, which is described as not holding, with prices increasing again as the U.S.-Iran ceasefire or truce unravels. Overall coverage links the renewed escalation to higher crude costs and the resulting impact at the pump.