Gaseous fuels have been the subject of intensifying interest from the marine industry over the past decade. Spurred by rapidly changing economic and political landscapes, vessel owners and operators are driven to find new ways to balance operating costs with environmental impact. As we adopt new technologies toward this goal, our knowledge base on gaseous fuels has been dominated by considerations relevant only to LNG. Advances in prime mover technology and changes in domestic energy production have made Propane a viable fuel option for a much broader range of vessel sizes and power outputs. To help level the field, this paper presents a comparison between LNG and Propane as shipboard fuels.

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