Results 121 to 130 of about 129,463 (301)
Modelling public attitude towards air taxis in Germany
Transportation Research Interdisciplinary PerspectivesUrban air mobility (UAM) holds great promise as an expansion of the transportation system in cities. Despite the progress in UAM technology, there remains significant uncertainty surrounding how the public will accept and react to these mobility services.
Hamid Mostofi +3 more
openaire +2 more sources
Regulatory Framework and Public Policies for Sustainability in the Construction Sector
Sustainable Development, EarlyView.ABSTRACT This study analyzes the role of public policies in promoting socially responsible practices in the construction sector, with a particular focus on their contribution to climate neutrality and the decarbonization of the building stock. European agreements exert increasing pressure to transform the construction sector, reinforcing the transition
Olga González‐Morales +3 more
wiley +1 more source
An Autonomous Tow Truck Algorithm for Engineless Aircraft Taxiing
AerospaceThe aviation industry has proposed multiple solutions to reduce fuel consumption, air pollution, and noise at airports, one of which involves deploying electric trucks for aircraft towing between the stand and the runway. However, the introduction of tow
Stefano Zaninotto +2 more
doaj +1 more source
AiResearch QCGAT engine performance and emissions tests [PDF]
, 1980 Results of aerodynamic performance and emission tests, conducted on a specially designed QCGAT engine in the 17,793-N (4,000 lb) thrust class, are presented. Performance of the AiResearch QCGAT engine was excellent throughout all testing.
Norgren, W. M.
core +1 more source
Sustainable Development, EarlyView.ABSTRACT This study examines the asymmetric effects of eco‐innovation on income‐based carbon emissions inequality within G7 economies over the period 1990–2023. Theoretically grounded in innovation diffusion theory and political economy frameworks, we argue that green technological advancements exert non‐linear, directional effects on emissions ...
Brahim Bergougui +5 more
wiley +1 more source
Sustainable Development, EarlyView.ABSTRACT Air transport is one of the fastest‐growing sources of greenhouse gas emissions, yet it remains one of the most difficult sectors to decarbonize. The sector's climate impact is amplified by two factors: the steady rise in passenger demand and the absence of commercially viable low‐carbon technologies for long‐haul flights.
Jouni K. Juntunen +2 more
wiley +1 more source
Pollution reduction technology program for small jet aircraft engines, phase 1 [PDF]
A series of combustor pressure rig screening tests was conducted on three combustor concepts applied to the TFE731-2 turbofan engine combustion system for the purpose of evaluating their relative emissions reduction potential consistent with prescribed ...
Bruce, T. W. +3 more
core +1 more source
The Hidden Costs of Coffee Production in the Eastern African Value Chains
Sustainable Development, EarlyView.ABSTRACT There is increasing recognition that significant hidden costs associated with agrifood systems are not reflected in market prices. Coffee is among the three most traded agricultural commodities in the world and supports the livelihoods of more than 30 million smallholder households.
Annet Adong +3 more
wiley +1 more source
Modeling Urban Air Quality Using Taxis as Sensors
Monitoring urban air quality with high spatiotemporal resolution continues to pose significant challenges. We investigate the use of taxi fleets as mobile sensing platforms, analyzing over 100 million PM2.5 readings from more than 3,000 vehicles across six major U.S. cities during one year.
Noulas, Anastasios +7 more
openaire +2 more sources