Systems and methods related to loading and unloading stations for simultaneous unloading of a first fluid from at least one storage tank in a vessel and loading of a second fluid into a storage tank of the same vessel are provided. In at least one aspect, a loading and unloading station includes a first connector for fluid connection to a storage tank of the vessel for unloading the first fluid, and a source of the second fluid. The station also includes a second connector for fluidly connecting the source of the second fluid with a storage tank of the vessel for loading the second fluid. The station further includes a first thermal linkage between the first fluid being unloaded and the second fluid being loaded that facilitates heat transfer between the first fluid and the second fluid at the loading and unloading station.
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