NuStar Energy L.P. is engaged in the transportation, terminalling and storage of petroleum products and renewable fuels and the transportation of anhydrous ammonia. It conducts its operations through its subsidiaries, NuStar Logistics, L.P. (NuStar Logistics) and NuStar Pipeline Operating Partnership L.P. (NuPOP). Its segments include pipeline, storage, and fuels marketing. The pipeline segment consists of the transportation of refined products, crude oil, and anhydrous ammonia. The storage segment is comprised of its facilities that provide storage, handling and other services for refined products, crude oil, specialty chemicals, renewable fuels, and other liquids. The fuels marketing segment includes its bunkering operations on the Gulf Coast, as well as certain of its blending operations associated with its Central East System. It has approximately 10,000 miles of pipelines and 64 terminal and storage facilities, which provide approximately 57 million barrels of storage capacity.