S-OIL recently achieved the highest rating of five stars in the '2025 Automobile Fuel Environmental Quality Assessment,' conducted by the Ministry of Environment's Metropolitan Air Quality Management Office and Geum River Basin Environmental Office.
The 'Automobile Fuel Environmental Quality Grading System' evaluates the impact of gasoline and diesel fuel on the environment, assigning ratings in a star-based format. This evaluation is conducted biannually, targeting manufacturers and suppliers including refineries, the Korea National Oil Corporation, and the National Agricultural Cooperative Federation. The system aims to encourage improvements in environmental quality and to promote consumer choices for eco-friendly products.
As part of its commitment to ESG (Environmental, Social, and Governance) management, S-OIL prioritizes environmental protection and customer safety across all stages of production, distribution, and sales. They operate an integrated quality management system to ensure the stable supply of high-quality, eco-friendly products. Based on the international standard ISO 9001 Quality Management System, S-OIL has implemented a real-time quality monitoring system for the entire production process. The company also conducts regular tank cleaning to maintain consistent quality and guarantees authenticity and quantity through its 'Trusted Gas Station System.'
An S-OIL spokesperson expressed, "We deeply recognize the importance of sustainability within communities. We are committed to producing and supplying environmentally friendly, high-quality products that meet increasingly stringent environmental regulations and customer expectations."

