On an hourly basis, longer-term, Uber Elevate anticipates that advancements in manufacturing and autonomy will decrease both fixed and variable costs, resulting in $0.44 per pax-mile cost; in comparison, in 2017, the American Automobile Association (AAA) estimated the full cost of auto ownership...
Especially at the interfaces to lower airspace in urban conurbations, unmanned aerial vehicles will additionally compete for airspace access [16]. Competition in lower airspace itself already poses risks for operational procedures as the economical exploitation of transport drones may depend on”regula...
With respect to the comparison of the pairs of routes completed on the same days, the application of the Kruskal–Willis test to the ADSA concentration measured in the tram presents the greatest statistically significant differences with respect to the other forms of commuting considered, with littl...
(Fig.3). These overpass times do not necessarily overlap with the times when usually daily minimum and maximum air temperatures are recorded for Warsaw. Thus, our comparison analysis between different approaches was limited toTadata recorded at 12:00 UTC, as this is very close to the daytime ...
As part of a research project evaluating the chemical fingerprints of PCDD/F in the ambient air in the cities of the world with more than 5 milion inhabitants, we compared congeners and homologues PCDD/F profiles in ambient air samples from twelve different cities: London, UK; Beijing, Hong...
The comparison coefficient of the main urban area was also positive, which shows that the return on the consumption of infrastructure in the main urban area was significantly higher than that in the non-main urban area. This confirms the existence of a resource agglomeration effect, that is, ...
Habitat structure influences below ground biocontrol services: A comparison between urban gardens and vacant lots. Landsc. Urban Plan. 2012, 104, 238–244. [Google Scholar] [CrossRef] Blanco, J.; Sourdril, A.; Deconchat, M.; Barnaud, C.; Cristobal, M.S.; Andrieu, E. How farmers ...
The United Nations expects 21% of the global population, more than 2 billion people, to be 60 years old or over by 2050; in comparison to 12% in 2013. This trend will inevitably shape the landscape of developed regions, as the number of people age 60 or over will reach 32% by mid...
A more thorough comparison of models for providing first-mile/last-mile service, such as bike-sharing, would help cities arrive at solutions that fit their circumstances. Comprehensive effects of on-demand mobility services: On-demand ...