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HF Sinclair Corporation is a petroleum refiner and marketer producing gasoline, diesel fuel, jet fuel, and other petroleum products in the United States. The company operates petroleum refineries in Kansas, Wyoming, New Mexico, Utah, and Washington, processing crude oil into transportation fuels and other products. HF Sinclair markets products through retail sites under Sinclair-branded stations and sells wholesale to distributors and other customers across the United States. The company also operates logistics assets including pipelines, terminals, and storage facilities. HF Sinclair was formed through the 2022 merger of HollyFrontier Corporation and Sinclair Oil Corporation, combining refining, marketing, and lubricant operations. Headquartered in Dallas, Texas, HF Sinclair operates Mid-Continent refineries with advantaged access to crude oil supplies. The company benefits from refining margin opportunities, integrated marketing through Sinclair retail network, and logistical assets. HF Sinclair faces margin volatility from crude oil and refined product price relationships, regulatory requirements including renewable fuel mandates, energy transition pressures, and competitive refining markets. The company generates strong cash flows during favorable refining environments and returns capital through dividends and buybacks.