This document is Sunoco Inc.'s SEC Form 10-K for the 2004 fiscal year. It provides an overview of Sunoco's business operations, which include petroleum refining and marketing, chemicals manufacturing, logistics services, and cokemaking. In 2004, Sunoco acquired a refinery in New Jersey and retail gas stations in several states, and sold interests in some chemical facilities. The filing includes details on Sunoco's five business segments and financial information for the previous three years.