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On the right track? Energy use, carbon emissions, and intensities of world rail transportation, 1840-2020

Title
On the right track? Energy use, carbon emissions, and intensities of world rail transportation, 1840-2020
Type
Another Publication in an International Scientific Journal
Year
2024
Authors
Tostes, B
(Author)
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Henriques, ST
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FEP
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Brockway, PE
(Author)
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Heun, MK
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Domingos, T
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Sousa, T
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Journal
Title: Applied EnergyImported from Authenticus Search for Journal Publications
Vol. 367
ISSN: 0306-2619
Publisher: Elsevier
Indexing
Publicação em ISI Web of Knowledge ISI Web of Knowledge - 0 Citations
Publicação em Scopus Scopus - 0 Citations
Other information
Authenticus ID: P-010-DV6
Abstract (EN): The history of rail transport can offer valuable insights for future energy transitions due to its importance in promoting clean mobility. There is a complex interplay between the evolution of the railway network, fuel consumption, efficiency, energy service, and CO(2 )emissions that requires further exploration. We developed a dataset that covers energy use in all stages of rail transportation, as well as the length of track, energy service, and CO(2 )emissions at the world scale. To deal with missing data we utilized machine learning techniques for the first time in a historical energy reconstruction study. Our analysis reveals that for world rail transport (1) the final-to-useful efficiency has increased by 30-fold from 1840 to 2020, mainly due to the replacement of steam trains with diesel and electric ones, (2) the peak in final energy use occurred in the 1940s, while useful energy use and transport service continue to grow, (3) there was a reduction in the energy (carbon) intensity from approximately 20 to 0.2 MJ/tkm (2 to 0.02 kg CO2/tkm) between 1840 and 2010, due not only to the increase in final-to-useful efficiency but also to rising occupancy, better operating conditions, and reduced losses by the passive system.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 19
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