Diesel Fuel Surges 86 Cents Weekly as Middle East Tensions Escalate

Key Details Diesel prices have climbed dramatically across the nation, with the national average jumping 85.9 cents per gallon in just seven days. According to GasBuddy, diesel now sits around $4.599 per gallon as of March 9, 2026, marking what analysts describe as a near-historic weekly increase. Why It Matters The rapid spike stems from U.S. military strikes on Iran and the effective closure of the Strait of Hormuz, a critical global shipping lane. Oil prices have surged above $100 per barrel for the first time in years, forcing fuel markets to recalibrate for potential long-term supply disruptions. What's Coming GasBuddy's petroleum analysis head Patrick De Haan warns further increases are likely. Diesel could climb an additional 35 to 75 cents per gallon this week as global markets react. California leads the nation at $5.87 per gallon, followed by Washington at $5.46 and Hawaii at $5.18. Driver Impact Truck drivers nationwide are closely monitoring prices as fuel costs directly impact their bottom line. Social media posts from drivers reflect growing concern about the trajectory of diesel expenses and supply chain implications during this volatile period.