Average U.S. gasoline prices climbed above $3 per gallon on Monday for the first time since November, as escalating conflict with Iran rippled through global energy markets and pushed crude and fuel prices sharply higher. According to Reuters, retail gasoline crossed the $3 threshold as Brent crude surged more than 5% to nearly $77 per barrel, with prices briefly topping $80 in early trading. Tehran’s retaliation following U.S. and Israeli strikes has disrupted oil and fuel shipments across the Middle East, particularly through the Strait…