1. EIA does not collect data on the source of the gasoline sold at retail outlets. 2. The fact that you purchase gasoline from a given company does not necessarily mean that the gasoline was actually produced by that particular company’s refineries. 3. This mixing of brands occurs because gasoline from different refineries is often combined for shipment by pipeline, and companies owning service stations in the same area may be purchasing gasoline at the same bulk terminal. |