0 World July 21, 2026 by Business Geco · Published July 21, 2026 U.S. Average Gas Prices Climb to $4.00 Per Gallon as Iran Conflict Escalates Average gasoline prices across the United States have climbed to $4.00 per gallon, as renewed fighting involving Iran raises concerns about global oil supplies and energy markets. Rising geopolitical tensions have fueled fears of...