Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels

Achieving net-zero emissions across all sectors, including the shipping industry, which relies heavily on fossil fuels and traditional internal combustion engines for propulsion, is critical to mitigating climate change and limiting global temperature rise. This thesis evaluates decarbonizing pathwa...

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Main Author: Hong, Seoyeon Tara
Other Authors: Paltsev, Sergey
Format: Thesis
Published: Massachusetts Institute of Technology 2023
Online Access:https://hdl.handle.net/1721.1/147461
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author Hong, Seoyeon Tara
author2 Paltsev, Sergey
author_facet Paltsev, Sergey
Hong, Seoyeon Tara
author_sort Hong, Seoyeon Tara
collection MIT
description Achieving net-zero emissions across all sectors, including the shipping industry, which relies heavily on fossil fuels and traditional internal combustion engines for propulsion, is critical to mitigating climate change and limiting global temperature rise. This thesis evaluates decarbonizing pathways for the global shipping industry through alternative fuels. The decarbonization pathways for shipping are constructed by considering significant system decisions, including powertrains, fuel types, and feedstock. Each pathway is assessed based on cost and multi-attribute utility using system-level metrics relevant to shipping. For alternative fuels, fuel cost models have been developed to estimate the levelized cost of production based on varying electricity prices, natural gas prices, and capital and operating expenditure assumptions. With the fuel cost model results, the total cost of ownership models of bulk carrier vessels have been developed to calculate and compare the lifetime cost for operating vessels for various alternative fuel pathways. The cost models provide insights into the cost markup of alternative fuel pathways relative to the conventional fuels of maritime ships. The MIT’s Economic Projection and Policy Analysis (EPPA) model has been enhanced to represent a low-emission shipping option to assess the economic impact and make projections on the market share of the alternative fuel pathway through 2050. Required investment to enable low-emission shipping to enter the market has been estimated using the EPPA model. Combining findings from the multi-attribute utility, including lifecycle emissions of alternative fuels and economic modeling results, near-term, medium-term, and long-term pathways for low-emission shipping have been proposed.
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spelling mit-1721.1/1474612023-01-20T03:15:53Z Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels Hong, Seoyeon Tara Paltsev, Sergey System Design and Management Program. Achieving net-zero emissions across all sectors, including the shipping industry, which relies heavily on fossil fuels and traditional internal combustion engines for propulsion, is critical to mitigating climate change and limiting global temperature rise. This thesis evaluates decarbonizing pathways for the global shipping industry through alternative fuels. The decarbonization pathways for shipping are constructed by considering significant system decisions, including powertrains, fuel types, and feedstock. Each pathway is assessed based on cost and multi-attribute utility using system-level metrics relevant to shipping. For alternative fuels, fuel cost models have been developed to estimate the levelized cost of production based on varying electricity prices, natural gas prices, and capital and operating expenditure assumptions. With the fuel cost model results, the total cost of ownership models of bulk carrier vessels have been developed to calculate and compare the lifetime cost for operating vessels for various alternative fuel pathways. The cost models provide insights into the cost markup of alternative fuel pathways relative to the conventional fuels of maritime ships. The MIT’s Economic Projection and Policy Analysis (EPPA) model has been enhanced to represent a low-emission shipping option to assess the economic impact and make projections on the market share of the alternative fuel pathway through 2050. Required investment to enable low-emission shipping to enter the market has been estimated using the EPPA model. Combining findings from the multi-attribute utility, including lifecycle emissions of alternative fuels and economic modeling results, near-term, medium-term, and long-term pathways for low-emission shipping have been proposed. S.M. 2023-01-19T19:52:04Z 2023-01-19T19:52:04Z 2022-09 2022-10-12T16:04:51.324Z Thesis https://hdl.handle.net/1721.1/147461 In Copyright - Educational Use Permitted Copyright retained by author(s) https://rightsstatements.org/page/InC-EDU/1.0/ application/pdf Massachusetts Institute of Technology
spellingShingle Hong, Seoyeon Tara
Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels
title Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels
title_full Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels
title_fullStr Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels
title_full_unstemmed Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels
title_short Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels
title_sort decarbonizing the global shipping industry evaluating pathways for alternative fuels
url https://hdl.handle.net/1721.1/147461
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