S. Korean refiners in spotlight as Russia's diesel export ban tightens global supply

South Korean refiners are drawing growing attention for their expanding role in the global supply chain after Russia halted diesel exports following Ukraine's attacks on its energy infrastructure, industry experts said Tuesday. Russia, the world's second-largest diesel exporter after the United States, imposed a temporary ban on diesel exports on July 8 after repeated Ukrainian drone attacks disrupted refinery operations and triggered domestic fuel shortages. The move has further tightened globa