The jump follows a recent jump in oil prices amid growing military conflict between the U.S. and Iran. In Alaska, drivers pay around $4.65 per gallon on average, while California motorists face costs of approximately $5.50 per gallon. Diesel prices have risen more sharply, reaching an average of $5.1080 per gallon, compared with $4.8750 a week earlier. A 2022 AAA survey found that 59% of Americans would adjust their driving habits or lifestyle if gas prices reached $4 per gallon, a threshold that has now been crossed. Related articlesUS gas prices climb above $4 a gallon as oil surges amid Iran tensionsGoldman sees central bank demand providing a floor for gold pricesBrazil's instant coffee gets exemption from US tariffs