Petrol prices climb as US–Iran tensions disrupt markets US petrol prices reach $4.00 per gallon (3.78 litres), marking the second week of increased costs for consumers.Share this: US petrol prices 50 percent higher than before war on IranDateMay 6, 2026In relation toAl-JazeeraWhich countries have seen the highest petrol prices since the Iran war?DateMarch 11, 2026In relation toAl-JazeeraTrump tells US petrol retailers to reduce prices ‘immediately’DateJune 29, 2026In relation toAl-Jazeera