Have gas prices ever been over 4 dollars a gallon in the US?

Yes, gas prices in the U.S. have exceeded $4 per gallon multiple times. Notably, this occurred during the 2008 financial crisis and again in 2022 due to various factors, including geopolitical tensions and supply chain disruptions. The national average has fluctuated significantly over the years, influenced by market conditions, crude oil prices, and other economic factors.