Valero:

Valero Energy Corporation is one of the largest independent petroleum refining and marketing companies in the world. Headquartered in San Antonio, Texas, Valero operates refineries across the United States, Canada, and the United Kingdom. The company produces a wide range of fuels and energy products, including gasoline, diesel, jet fuel, ethanol, and renewable diesel.

Valero’s fuel is known for meeting or exceeding industry standards, focusing on performance, efficiency, and environmental responsibility. The company emphasizes cleaner fuel technologies and has made significant investments in renewable energy, particularly through its production of low-carbon renewable diesel from sustainable feedstocks.

Valero distributes its fuel through a network of retail and wholesale outlets under brands such as Valero, Diamond Shamrock, Beacon, and Texaco (in some regions). With its robust refining capabilities and commitment to sustainability, Valero continues to play a vital role in the global energy market while working toward a lower-carbon future.

Chevron:

Chevron Fuel refers to the gasoline, diesel, and other transportation fuels that Chevron Corporation produces and sells at its branded service stations and through commercial supply networks. Chevron is a major integrated energy company that refines crude oil into finished fuels and markets them across the U.S. and internationally. Its gasoline commonly features Techron, a proprietary additive that helps reduce engine deposits and meets TOP TIER detergent gasoline standards endorsed by major automakers for better engine cleanliness and performance. Chevron also offers lower-carbon fuel options such as renewable diesel and biodiesel blends as part of efforts to reduce carbon intensity.

Citgo:

CITGO fuel refers to the gasoline and diesel sold at CITGO-branded stations in the United States. It is produced and distributed by CITGO Petroleum Corporation, a major U.S. refiner and fuel supplier with large refineries and an extensive terminal network. CITGO fuel meets U.S. fuel quality standards and is marketed to independent retailers, serving everyday consumer and commercial transportation needs.

Marathon:

Marathon fuel refers to the gasoline and diesel sold under the Marathon brand at fuel stations across the United States. It is produced and refined by Marathon Petroleum Corporation (MPC), one of the largest U.S. refiners, and is available at thousands of Marathon-branded outlets. Marathon gasoline often includes quality additives (like STP) and meets industry standards for performance and engine cleanliness, while Marathon diesel is formulated for reliable performance in diesel engines. The Marathon brand also supplies other petroleum products through its integrated refining and distribution system.