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The Interplay Between Technologies and Energy Policies for Reducing the Environmental Impact of Transportation: Scenarios and Case Studies

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "C: Energy Economics and Policy".

Deadline for manuscript submissions: 30 May 2025 | Viewed by 5499

Special Issue Editor


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Guest Editor
Department of Economics, Business, Mathematics and Statistics, University of Trieste, 34127 Trieste, Italy
Interests: energy policy; energy strategy; transport economics; transport and the environment; discrete choice modelling; regional economics; industrial economics

Special Issue Information

Dear Colleagues,

The electrification of road vehicles is viewed as the most promising pathway to increasing conversion efficiencies and reducing GHG emissions. Yet, progress is slow. Transport continues to rely on oil products for nearly 91% of its final energy (source: IEA website). Transport is responsible for approximately one fourth of greenhouse gas emissions (GHGs) and high levels of ambient air pollution and noise in cities and towns, in addition to consuming a significant amount of energy. It is highly uncertain whether the target of reducing GHGs so that the global average temperature remains below 1.5–2 °C can be achieved. A combination of innovative technologies and energy policies is needed to significantly reverse the current trends, challenging the scientific community to find and propose solutions.

For this Special Issue, we are interested in papers that (i) critically analyze past technologies and energy policies, highlighting their strengths and weaknesses and (ii) propose innovative technologies and energy policies and outline their potential to achieve GHG emission reduction, discussing both their technological and economic features.

All transport modes and vehicles can be considered, including road freight transport, intercity coach transport, shipping, and aviation, where electrification is less of an option, thus requiring innovative powertrains and fuels such as hydrogen, biofuels and ammonia.

Country- and city-specific analyses are welcome since they help clarify the interplay between technological and energy aspects and institutional ones, the latter being related to the economic and cultural characteristics of a location. The experiences of developing countries are of particular interest as they have been rarely documented in the scientific literature.

Special attention will be devoted to contributions that discuss technical, energy and organizational innovations such as autonomous driving and vehicle sharing, which can radically alter transport systems.

Prof. Dr. Romeo Danielis
Guest Editor

Manuscript Submission Information

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Keywords

  • energy and transport
  • passenger and freight transport and energy consumption
  • transport modes: road, rail, maritime and air
  • regulation, fiscal and energy policies
  • total cost of ownership of transport vehicles
  • energy efficiency and transport vehicles
  • GHG emission reduction
  • renewable energy and transport
  • electrification and innovative fuels and powertrains

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Published Papers (3 papers)

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Research

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28 pages, 3491 KiB  
Article
Renewable Energy, Resilience, Digitalization, and Industrial Policies in Seaborne Transport
by Elisa Barbieri and Luigi Capoani
Energies 2025, 18(5), 1089; https://doi.org/10.3390/en18051089 - 24 Feb 2025
Viewed by 812
Abstract
This paper delves into sustainability and energy policies influencing the governance and dynamics of global maritime trade. Resilience and sustainability are also discussed, along with the obstacles encountered and strategies to overcome them. The analysis underscores the importance of developing long-term strategies and [...] Read more.
This paper delves into sustainability and energy policies influencing the governance and dynamics of global maritime trade. Resilience and sustainability are also discussed, along with the obstacles encountered and strategies to overcome them. The analysis underscores the importance of developing long-term strategies and participatory processes, focusing on government involvement in promoting structural changes towards a more sustainable seaborne transport system. Part of our research is also dedicated to outlining the different factors influencing this industry among different continents, highlighting the need for increasingly unified governance frameworks internationally. By incorporating resilience theory and new technologies, with a high potential in terms of GHG emission reduction, governments and firms can better engage stakeholders, ensure business resilience, and address climate change risks. This study concludes that ports have significant power in driving structural change, and modernization across various areas—such as digitalization, energy policies, safety, green fuels, environmental sustainability, and effective coordination—is essential for their continued development. Full article
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21 pages, 2798 KiB  
Article
How Road and Rail Transport Respond to Economic Growth and Energy Prices: A Study for Poland
by Grzegorz Przekota and Anna Szczepańska-Przekota
Energies 2024, 17(22), 5647; https://doi.org/10.3390/en17225647 - 12 Nov 2024
Viewed by 1548
Abstract
Transport drives economies. This statement covers complex and multifaceted economic, environmental, and political issues. The literature mainly describes the unidirectional impact of transport on the economy, and far less often bilateral or reverse impacts. This is the context in which this study was [...] Read more.
Transport drives economies. This statement covers complex and multifaceted economic, environmental, and political issues. The literature mainly describes the unidirectional impact of transport on the economy, and far less often bilateral or reverse impacts. This is the context in which this study was conducted. The question of whether the economy (GDP and exports and imports) and energy prices (crude oil and diesel) have an impact on road and rail transport in Poland was examined. The research was based on correlation methodology and VAR modelling for the January 2010–March 2024 period (quarterly data). It was found that there is no sufficiently strong basis to speak of an inverse relationship, i.e., that the economy is the cause of transport. This confirms the majority of studies, but it has been shown that this relationship occurs in the current period. And this statement means that both road transport, which is developing, and rail transport, which is declining in Poland, are able to serve the economy on a continuous basis. Moreover, rail transport is positively affected by changes in fuel prices, but the basic energy resource used in rail transport is not fuel but electricity. Therefore, as fuel prices rise, investment in rail transport or combined transport can have positive economic and environmental effects in the future. Full article
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Review

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19 pages, 1642 KiB  
Review
The Economic Competitiveness of Hydrogen Fuel Cell-Powered Trucks: A Review of Total Cost of Ownership Estimates
by Romeo Danielis, Mariangela Scorrano, Manuela Masutti, Asees Muhammad Awan and Arsalan Muhammad Khan Niazi
Energies 2024, 17(11), 2509; https://doi.org/10.3390/en17112509 - 23 May 2024
Cited by 4 | Viewed by 2273
Abstract
This paper investigates the economic competitiveness of hydrogen-powered trucks. It reviews the growing number of papers that provide an estimate of the total cost of ownership (TCO) of hydrogen-powered trucks relative to their diesel equivalents. It examines the methodology applied, the variables considered, [...] Read more.
This paper investigates the economic competitiveness of hydrogen-powered trucks. It reviews the growing number of papers that provide an estimate of the total cost of ownership (TCO) of hydrogen-powered trucks relative to their diesel equivalents. It examines the methodology applied, the variables considered, the data used for estimation, and the results obtained. All reviewed studies conclude that hydrogen-powered trucks are not currently cost-competitive, while they might become competitive after 2030. The conclusion holds across truck types and sizes, hydrogen pathways, mission profiles, and countries. However, we find that there is still a huge area of uncertainty regarding the purchase price of hydrogen-powered trucks and the cost of hydrogen, which hampers the reliability of the results obtained. Various areas of methodological improvements are suggested. Full article
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