A person prepares to refuel their semi-truck on August 13, 2026 in Nortrees, Texas. Diesel prices continue to climb as several international conflicts across several regions disrupt the global fuel supply chain. Tensions involving Iran have severely disrupted shipping through the Strait of Hormuz, while Ukrainian attacks of Russian refineries have further strained fuel exports from the region. Brandon Bell/Getty Images North America hide caption
A person prepares to refuel their semi-truck on August 13, 2026 in Nortrees, Texas. Diesel prices continue to climb as several international conflicts across several regions disrupt the global fuel supply chain. Tensions involving Iran have severely disrupted shipping through the Strait of Hormuz, while Ukrainian attacks of Russian refineries have further strained fuel exports from the region. Brandon Bell/Getty Images North America hide caption