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The Climate Implications of Using LNG as a Marine Fuel

The Climate Implications of Using LNG as a Marine Fuel

Full Title: The Climate Implications of Using LNG as a Marine Fuel
Author(s): Nikita Pavlenko, Bryan Comer, Yuanrong Zhou, Nigel Clark, Dan Rutherford
Publisher(s): International Council on Clean Transportation
Publication Date: January 30, 2020
Full Text: Download Resource
Description (excerpt):

Although liquefied natural gas (LNG) contains less carbon per unit of energy than conventional marine fuels, its use might not reduce greenhouse gas (GHG) emissions on a life-cycle basis. This paper compares the life-cycle GHG emissions of LNG, marine gas oil (MGO), very low sulfur fuel oil, and heavy fuel oil when used in engines suitable for international shipping, including cruise ships. The analysis includes upstream emissions, combustion emissions, and unburned methane (methane slip), and we evaluate the climate impacts using 100-year and 20-year global warming potentials (GWPs).

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