Central Energy Partners LP, formerly Rio Vista Energy Partners L.P., was formed by Penn Octane Corporation. The Company is engaged in the storage and transportation of oil and gas, refined petroleum products and petrochemicals. The Company provides liquid bulk storage, trans-loading and transportation services for petrochemicals and petroleum products through its assets and operations in Hopewell, Virginia and Johnson City, Tennessee. It identifies acquisitions of midstream assets, which include oil and gas gathering and transmission systems, processing facilities, and storage and transportation capabilities. The Company has a wholly owned subsidiary, Regional Enterprises, Inc. (Regional). Regional�s principal business is storage, transportation, and railcar transloading of bulk liquids, including chemical and petroleum products owned by its customers. Regional�s principal facilities are located on the James River in Hopewell, Virginia.