Results 111 to 120 of about 129,463 (301)

Air taxi transportation infrastructures in Barcelona

open access: yes, 2020
The current thesis aims at determining whether or not Barcelona is a suitable city for the urban air mobility project based on autonomous evtol drone type vehicles. The legality of the project, alongside the drone taxis market study and the aerial taxi service assessment in Barcelona will lead to a sky port modelling with SolidWorks software and a ...
openaire   +1 more source

Why Autonomous Vehicles Are Not Ready Yet: A Multi‐Disciplinary Review of Problems, Attempted Solutions, and Future Directions

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Personal autonomous vehicles can sense their surrounding environment, plan their route, and drive with little or no involvement of human drivers. Despite the latest technological advancements and the hopeful announcements made by leading entrepreneurs, to date no personal vehicle is approved for road circulation in a “fully” or “semi ...
Xingshuai Dong   +13 more
wiley   +1 more source

Assessing heat-related health perceptions in the minibus taxi industry in Tshwane, South Africa

open access: yesSouth African Journal of Science
Global warming, the increase in heatwaves and periods of intense heat, is a major problem across the world, including in South Africa. Heat exposure has adverse health impacts, ranging from dehydration and heat stroke to death.
Caradee Y. Wright   +4 more
doaj   +1 more source

Development and validation of a method to quantify benefits of clean-air taxi legislation. [PDF]

open access: yesJ Expo Sci Environ Epidemiol, 2020
Fry D   +8 more
europepmc   +1 more source

Examining the Role of Public Policy in Promoting Green Energy and Employment: A Bibliometric Analysis in a Circular Economy Framework

open access: yesSustainable Development, EarlyView.
ABSTRACT This study uses a bibliometric lens to link public policy in renewable energy with its broader employment effects, offering the first comprehensive mapping of this relationship. A total of 760 articles published between 2013 and 2025 were retrieved from the Scopus database on July 10, 2025.
Asif Javed   +4 more
wiley   +1 more source

Air assist fuel nozzle reduces aircraft gas turbine engine emissions at idle operation [PDF]

open access: yes, 1972
Reduction in unburned hydrocarbons from jet engine by use of air assist fuel nozzle is discussed. Operation of nozzle for improving combustion efficiency by improving fuel atomization is analyzed.
Briehl, D., Papathakos, L. C.
core   +1 more source

Cultural Differences and Interdependencies in Climate Change Mitigation Efforts and Their Psychological Antecedents Across 63 Countries

open access: yesSustainable Development, EarlyView.
ABSTRACT Climate change research, like much of social science, is biased toward WEIRD (Western, Educated, Industrialized, Rich, Democratic) populations, limiting its global relevance. Even cross‐national studies often suffer from methodological inconsistencies due to cultural and geographic interdependencies.
Danila Valko, Kristin Thompson
wiley   +1 more source

Physics Potential of a Radio Surface Array at the South Pole (ARENA 2018)

open access: yes, 2018
A surface array of radio antennas will enhance the performance of the IceTop array and enable new, complementary science goals. First, the accuracy for cosmic-ray air showers will be increased since the radio array provides a calorimetric measurement of ...
Schröder, Frank G.
core   +1 more source

Can Happiness Be Sustainable? Monitoring Global Consumption Footprints From 2015 to 2024

open access: yesSustainable Development, EarlyView.
ABSTRACT Understanding how happiness relates to resource consumption requires considering not only domestic environmental impacts but also the broader transnational effects embedded in global trade. To address this gap, this study introduces the Consumption Footprint–Happiness Ratio (CHR), a visual analytic metric that captures the intensity of ...
Chong‐Wen Chen
wiley   +1 more source

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