Results 41 to 50 of about 4,212 (284)

A clustering-metaheuristic-simulation approach to determine air taxi operating site location

open access: yesTransportation Research Interdisciplinary Perspectives
Urban Air Mobility (UAM) can improve the transportation service offered in urban areas by potentially solving traffic congestion, thereby allowing customers to travel more efficiently across any city.
Varshini Priyaa Senthilnathan   +3 more
doaj   +1 more source

Air Traffic Management as a Vital Part of Urban Air Mobility—A Review of DLR’s Research Work from 1995 to 2022

open access: yesAerospace, 2023
Urban air mobility is a rapidly growing field of research. While drones or unmanned aerial vehicles have been operated mainly in the private and military sector in the past, an increasing range of opportunities is opening up for commercial applications ...
Bianca I. Schuchardt   +6 more
doaj   +1 more source

Acceptance of air taxis - A field study during the first flight of an air taxi in a European city

open access: yes, 2019
Due to rising urbanization, cities around the world are struggling with mobility and infrastructure problems. Electric vertical takeoff and landing (eVTOL) aircraft, or short air taxis, can potentially offer a local emission-free and infrastructure conserving solution to these problems.
Patrick Planing, Yasemin Pinar
openaire   +2 more sources

Swedish farmers' approval of nudges

open access: yesAgribusiness, EarlyView.
Abstract Interest in the use of behavioral policy approaches, such as nudges, has strongly increased over the past years, including in the domains of food, agricultural and environmental policies. While the approval of nudges among the general public has been studied extensively, we know little about the attitude of farmers toward nudging. Farmers may (
Liesbeth Colen   +2 more
wiley   +1 more source

Assessment of Health Risk from Exposure to Respirable Particulate Matter (RPM) among Motorcycle Taxi Drivers in Bangkok and Adjacent Provinces, Thailand

open access: yesEnvironment and Natural Resources Journal
Exposure to outdoor air pollutants, particularly respirable particulate matter (RPM), can cause adverse health outcomes. The cross-sectional study aimed to assess motorcycle taxi driver’s health risk from exposure to RPM.
Kamonwan Samana   +3 more
doaj   +1 more source

Unregulated Emissions from Natural Gas Taxi Based on IVE Model

open access: yesAtmosphere, 2021
Emissions from motor vehicles have gained the attention of government agencies. To alleviate air pollution and reduce the petroleum demand from vehicles in China, the policy of “oil to gas” was vigorously carried out.
Hong Zhao   +5 more
doaj   +1 more source

Spray‐Dried Engineered Escherichia coli Whole‐Cell Biocatalysts Enable Cell Recycling and In Vivo α‐Ketoglutarate and NADPH Regeneration for Efficient Codeine Manufacture

open access: yesBiotechnology and Bioengineering, EarlyView.
ABSTRACT A recombinant whole‐cell biocatalytic approach provides several advantages over isolated enzymes, such as improved enzyme stability, in vivo cofactor regeneration, and the facilitation of cascade reactions within a single cell. Whole‐cell biocatalysis has gained attention in medicinal opioid production, due to its technical and economic ...
Ali Jahanian   +4 more
wiley   +1 more source

Air Taxi Skyport Location Problem for Airport Access

open access: yesCoRR, 2019
25 ...
Srushti Rath, Joseph Y. J. Chow
openaire   +2 more sources

National Environmental Policies and Corporate Green Innovation: The Mirroring Versus Substitution Hypotheses

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Drawing on comparative institutional theory, we study the nature and magnitude of the effects of national environmental policies on corporate green innovation in developed versus emerging markets. Using a sample of 1831 listed firms in 34 countries from 2002 to 2020, we find that national environmental policies increase corporate green ...
Ivan Miroshnychenko   +2 more
wiley   +1 more source

Vertidrome Airside Level of Service: Performance-Based Evaluation of Vertiport Airside Operations

open access: yesDrones, 2023
This paper presents the Vertidrome Airside Level of Service (VALoS) framework, a novel performance metric designed to evaluate airside traffic flow operations at vertidromes in the context of Urban Air Mobility (UAM). As the UAM industry rapidly evolves,
Karolin Schweiger, Franz Knabe
doaj   +1 more source

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