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Sigrun Matthes, Ling Lim, Ulrike Burkhardt, Katrin Dahlmann, Simone Dietmüller, Volker Grewe, Amund S. Haslerud, Johannes Hendricks, Bethan Owen, Giovanni Pitari, Mattia Righi and Agnieszka Skowron
Aviation is seeking for ways to reduce its climate impact caused by CO2 emissions and non-CO2 effects. Operational measures which change overall flight altitude have the potential to reduce climate impact of individual effects, comprising CO2 but in part...
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Spyros Kontogiannis, Andreas Paraskevopoulos and Christos Zaroliagis
We consider the problem of computing a set of meaningful alternative origin-to-destination routes, in real-world road network instances whose arcs are accompanied by travel-time functions rather than fixed costs. In this time-dependent alternative route ...
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Dmitry Lazarenko, Iaroslav Krutogorskyi
Pág. 27 - 32
The article presents the world economic trends of alternative energy. An analysis of international programs and innovative projects that are implemented and used in the energy sector is introduced. Conceptual proposals and innovative research in the fiel...
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Luca Leporini, Ferhat Yaman, Tommaso Andreussi and Vittorio Giannetti
Hall thrusters are plasma-based devices that have established themselves as one of the most attractive and mature electric propulsion technologies for space applications. These devices often operate in a regime characterized by low frequency, large ampli...
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Bruno Torres, Zélia Serrasqueiro and Márcio Oliveira
In an era where crowdfunding in Portugal is garnering increased public attention, exemplified by notable campaigns like the recent funding of the nurses? strike, we explore its potential as an alternative financial source to traditional banking. Through ...
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Friedrich Steffen, Tamas Kordsachia, Tobias Heizmann, Maximilian Paul Eckardt, Yue Chen and Bodo Saake
European paper mills are currently facing the question of whether recovered paper, their main raw material, will be available in sufficient quantities and an acceptable quality in the future. An alternative to recovered paper or wood fiber is the use of ...
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Filippo Cucinotta, Emmanuele Barberi and Fabio Salmeri
The naval sector holds paramount importance for the global economy, yet it entails significant environmental impacts throughout the entire life cycle of ships. This review explores the application of life-cycle assessment (LCA) in the naval sector, a met...
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Sergii Sagin, Sergey Karianskyi, Volodymyr Madey, Arsenii Sagin, Tymur Stoliaryk and Ivan Tkachenko
The results of the research work on biofuel?s impact on the environmental and economic performance of marine diesel engines are presented. During the research, a fuel mixture was used that consisted of the diesel fuel RMA10 and FAME biofuel. The objectiv...
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Huang Wei, Eduardo Müller-Casseres, Carlos R. P. Belchior and Alexandre Szklo
The International Maritime Organization (IMO) has recently revised its strategy for shipping decarbonization, deepening the ambition to reduce annual greenhouse gas emissions by 2050. The accomplishment of this strategy requires the large-scale deploymen...
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Shun Chen, Xingjian Wang, Shiyuan Zheng and Yuantao Chen
The urgent imperative for maritime decarbonization has driven shipowners to embrace alternative marine fuels. Using a robust orderbook dataset spanning from January 2020 to July 2023 (encompassing 4712 vessels, 281 shipyards, and 967 shipping companies),...
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Gaurav Soni, Rui Costa Neto and Lúcia Moreira
Similar to other industries, the maritime industry is also facing increasing restrictions on ships regarding pollution control. The research presented in this paper is aimed at studying the pros and cons of alternative fuels followed by a detailed analys...
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Essossinam Beguedou, Satyanarayana Narra, Komi Agboka, Damgou Mani Kongnine and Ekua Afrakoma Armoo
The process of making cement clinker uses a lot of energy and produces a lot of pollution. Currently, cement companies use a combination of traditional fossil fuels and alternative fuels (AF-Fuels) to lower their energy consumption and environmental foot...
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Marcin Sonta, Justyna Wiecek, Ewa Szara, Anna Rekiel, Anna Zalewska and Martyna Batorska
Duckweed is a plant with high phytoremediation abilities, which is why it is used in the process of cleaning the aquatic environment. The present study aimed to determine the effect of various concentrations of pig slurry added to the growth media used t...
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Simona Errico, Paola Sangiorgio, Stefania Moliterni, Alessandra Verardi, Anna Spagnoletta, Salvatore Dimatteo and Ferdinando Baldacchino
New solutions are compulsorily needed to reconcile the enormous and ever-growing request for protein for human nutrition and, at the same time, reduce conventional meat production. This epochal challenge can find a valuable aid to a winning solution in i...
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Zitao Zhao, Yanhong Guo, Lei Zhuang, Yongbao Wu, Jing Liu, Junting Cao, Zhanyue Wu and Zhiguo Wen
The objective of this study is to determine the effects of the dietary replacement of soybean oil (SO) with rubber seed oil (RSO) on the growth performance, carcass trait, and lipid metabolism in Pekin ducks. A total of 160 1-day-old Pekin ducks were ran...
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Mohammad Nikmanesh, Ardalan Feili and Shahryar Sorooshian
The success of an organization hinges upon the effective utilization of its human resources, which serves as a crucial developmental factor and competitive advantage, and sets the organization apart from others. Evaluating staff productivity involves con...
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Gustavo Yves Rodrigues Ramos, Gutierres Nelson Silva, Ynayanna Nariza Medeiros Silva, Yago de Medeiros Silva, Izaias Santos Marques, Giovana Lopes da Silva, Marcela Silva Carvalho, Leda Rita D?antonino Faroni, Simone Kelly Rodrigues Lima, Daniel Dias Rufino Arcanjo, Massimo Lucarini, Alessandra Durazzo and Douglas Rafael e Silva Barbosa
Nowadays, the modified atmosphere with ozone is one of the main alternatives for controlling insect pests in stored grains, as it allows grain quality to be maintained while causing no environmental damage. In light of this, the purpose of this study was...
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Francesco Barato
Hybrid rockets using specific oxidizer?fuel combinations are considered a green alternative to current propulsion systems, as they do not release very toxic or polluting exhausts, but only much less harmful substances such as carbon monoxide/dioxide and ...
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Lucia Laginová, Michal Hrivnák and Jana Jarábková
Alternative food networks (AFNs) represent local food systems and short supply chain networks alternative to global food systems. These networks are often developed within rural?urban interfaces and take various forms, due to the high propensity towards ...
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Rafal Longwic, Przemyslaw Sander, Anna Zdziennicka, Katarzyna Szymczyk and Bronislaw Janczuk
Canola oil cannot be directly used as a fuel in diesel engines because its physicochemical properties differ considerably from those of diesel oil. Therefore, the studies were intended to make closer the surface tension, viscosity and density of the cano...
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