Articles tagged with Transportation
Researchers developed an AI framework that optimizes ship routes and speed profiles to reduce fuel consumption and peak air-pollutant exposure. The system achieved 20-35% improvement in optimization performance while reducing peak pollutant exposure by 34-78%.
A recent study published in the Emergency Medicine Journal found nearly 500 children were injured by e-scooters between 2019 and 2024. Most injuries occurred due to falls or collisions with vehicles, highlighting the need for clearer public health messaging and regulation.
A Pusan National University-led team evaluates and optimizes liquid-hydrogen tank insulation using cooling channels circulating cryogenic sacrificial fluid. Effective LH2 storage requires smarter placement of cooling, not just more material.
The University of Central Florida has opened a new clinic to help pilots meet Federal Aviation Administration (FAA) medical requirements for safe aircraft operation. The clinic is led by William Powers, a certified aviation medical examiner, and offers multiple medical specialties under one roof.
A new study from Carnegie Mellon University and Oxford Saïd Business School found that the entry of ride-hailing platforms drove measurable increases in economic output and intermittent employment. Regional GDP per capita increased, and the number of seasonal, temporary, or intermittent jobs rose after Uber and Lyft entered the region.
A new study introduces a standardized method for measuring greenhouse gas and air pollutant emissions generated across the entire retail journey. The protocol covers online and traditional in-store shopping and provides nationwide parameters for China from 1990 to 2023, identifying opportunities for meaningful reductions.
Global road injury rates declined by 38.3% for new cases and 32.3% for deaths between 1990 and 2023, but progress was uneven across income groups. Low- and middle-income countries bear the greatest burden, with nearly six times higher mortality rates than high-income countries.
A nationwide study by researchers at the University of Minnesota found that adhering to posted speed limits could save an average of $22 million and 6.7 million gallons of fuel daily. This could lead to significant reductions in greenhouse gas emissions and energy consumption.
Researchers found ultrafine particulate matter from cruise ships increases inflammatory signals and weakens cells' defense against viruses like COVID-19. The study suggests exposure to vanadium may facilitate viral replication, with potential implications for infection severity and spread.
A PolyU project has developed an intelligent portable traffic light system to address bottlenecks during roadworks on narrow streets in Hong Kong. The system uses advanced sensing technologies and adaptive algorithms to dynamically adjust signal timings, reducing traffic queues and preventing gridlock.
Researchers at ORNL developed a novel electric motor drive design that cuts neutral-point current and common-mode voltage to reduce excess heat and premature wear. The approach achieves a 90% reduction in neutral-point voltage fluctuations and a 43% drop in capacitor current stress, improving system reliability.
Oak Ridge National Laboratory researchers received five awards for their work on commercial vehicle operations, freight corridors, and integrated energy systems. ORNL's research also focuses on fuel economy guides, high-performance steel alloys, and computational tools for welding and manufacturing.
A study tracking 1,500 residents found that infrastructure within 500 meters of home encourages active transportation. The presence of bike lanes was a key factor in keeping people active and promoting cycling. The expansion of bike lanes and parks has encouraged physical activity and public health benefits in São Paulo.
Hong Wang, a senior R&D scientist at ORNL, recognized by the European Academy of Sciences and Arts for outstanding achievements. He conducts research on connected mobility systems and intelligent transportation technologies.
A new study from Chalmers University of Technology reveals that nearly half of fatal electric scooter crashes in Sweden are caused by drunk riding. The majority of these crashes occur on private scooters and at night or evening hours, with many victims not wearing helmets.
The Bird Sonic system is being used to prevent bird strikes at Narita International Airport and nine other Japanese airports. The system uses high-frequency sound to deter birds from approaching aircraft, reducing the risk of collisions and accidents.
The MOVEO general assembly showcased advancements in smart transport connections, with a focus on EU-funded research and innovation. The project aims to unite expertise from nine European countries to improve inspection, monitoring, logistics, mobility, and inclusiveness.
Researchers at Sophia University have created an AI-based framework for urban railway speed control, achieving precise, real-time, and sustainable automatic railway control. The framework outperformed other reinforcement learning algorithms in terms of speed and energy efficiency.
The new center aims to make mobility systems more sustainable and efficient by leveraging AI, autonomy, digital infrastructure, and data-driven decision-making. Stanford faculty members across five schools are affiliated with the center, which will be funded through corporate partnerships.
A new study proposes a model to analyze the dynamic cumulative effect (DCE) of ballast settlement on ballasted tracks. The results show that DCE exacerbates deterioration and affects dynamic performance, especially in ballasts with higher moisture content.
Research reveals that policy, accessibility, and Quality of Life are key determinants for attracting startups in smart cities. A new policy-oriented framework provides policymakers with insights into startup attraction and evaluation tools.
A new study by Florida Atlantic University researchers highlights the role of urban planning in increasing pedestrian and bicyclist fatalities in the US. The study reveals that everyday destinations like grocery stores and pharmacies along busy roads significantly increase risk of serious injury or death.
Researchers at NTNU have developed a model that calculates which high-speed passenger routes can be operated with zero-emission express ferries. The study shows that a combination of batteries and fuel cells is necessary to meet the goal, emphasizing the importance of smart energy management.
A new study reveals a post-pandemic cycling boom in major cities, with fatality rates dropping by up to 88% in Paris, 82% in London, and 62% in New York City. The improvement is attributed to the expansion and improvement of cycling infrastructure, including cycleways separated from motor vehicle traffic.
A new study analyzing nearly 100 travellers' diaries reveals that turnpiking improved road conditions, reducing danger and speeding up journeys. The toll-funded system made a major contribution to the Industrial Revolution by reducing freight rates and enabling faster stagecoach travel.
A new NYU study analyzes hourly ridership at 10 major NYC subway stations between 2023 and 2025. Heavy rain affects peak hour travel, while extreme cold has a smaller impact, especially off-peak. The research highlights the importance of considering infrastructure, station design, and surrounding land use in transit planning.
A comprehensive review reorganizes the design space for electrified propulsion systems in three-dimensional transportation, proposing six design stages to guide future research. The review addresses challenges specific to TDT propulsion design, including balancing energy efficiency, weight, reliability, and emissions.
A new study finds that aggressive policy action and cost reductions can accelerate the global shift to electric vehicles, reducing energy use and carbon emissions. The study suggests a uniform 20% reduction in non-energy costs could dramatically increase EV adoption rates, with market share rising from 25-50% to 70-85% globally by 2035.
A study found that opening new train stations can lead to lower healthcare costs, but only for individual stations that serve as transfer hubs. Shigino Station showed a significant reduction in healthcare expenditure due to its strong connectivity.
The AUMOVIO-NTU Corporate Lab will focus on areas like AI, sustainability, novel materials, and connectivity to develop solutions for safer, smarter, and more sustainable transportation. The joint lab aims to accelerate innovations that can support Singapore's future mobility ecosystem.
A new study by MIT researchers provides a high-resolution picture of auto emissions in NYC, allowing for more effective transportation and decarbonization policies. The method produces detailed data that bridges the gap between citywide emissions inventories and individual vehicle analyses.
A KIT study shows that Europe has enough renewable resources to replace fossil fuels in road transport. The research highlights the potential of using diverse raw materials like straw, wood scraps, and organic waste to produce climate-friendly fuels.
A new study identifies the barriers to vehicle-to-grid (V2G) adoption, including coordination problems, limited infrastructure, and varying regulations. V2G technology can provide backup power during periods of high energy demand and earn EV owners money for supplying energy to the grid.
Subway systems are consistently reporting thermal discomfort due to the rising heat, with complaints increasing by 10-27% for every 1 degree Celsius above 10 degrees Celsius in Boston, New York, and London respectively. The study aims to help transit agencies anticipate extreme heat and implement targeted mitigation strategies.
Researchers at Texas A&M University and DEVCOM Army Research Laboratory developed a hybrid foam with a 3D-printed plastic skeleton, offering tunable, lightweight and ultra-durable properties. The composite combines ordinary foam with plastic struts, allowing it to absorb more energy and withstand greater forces.
Residents of favelas in São Paulo exhibit less daily movement variability than those living in formal areas with similar incomes. Despite higher economic conditions, infrastructure challenges impact mobility access and stability. The study uses mobile phone data to analyze movement patterns over several weeks.
A new study by SMART has identified a strong statistical association between global air connectivity and patterns of multinational corporations' investments. The research found that few layovers meant more subsidiaries, with cities having better flight connections to influential hubs outperforming those with less-connected destinations.
The article highlights the psychological demands of self-driving cars on human brains, citing Professor McLeod's research and personal experience. He emphasizes the need for clearer interfaces, simulation-based training, and updated driving tests to address these challenges and ensure safe automation uptake across society.
A new model maps foot traffic in New York City, providing insights into pedestrian activity and hazard locations. The study reveals high densities of foot traffic outside Manhattan, with many streets having similar foot-traffic levels to Manhattan's busiest areas.
A new study from the University of Michigan found that used electric vehicles (EVs) currently offer the lowest lifetime cost of ownership, with significant savings for drivers. The researchers analyzed virtual vehicle models, monthly gas and electricity prices, and Craigslist data to determine the total cost of ownership for different ...
NEXMO Datahub is a mobility data space that enables secure and reliable data exchange between public and private organizations, fostering innovative solutions for smarter and more sustainable mobility. The platform aims to accelerate the digital transformation of the sector through data sharing among key stakeholders.
A study from Linköping University finds that locally produced green hydrogen is cheaper to produce at southern latitudes due to favorable solar energy conditions. The cost of green hydrogen production varies across European countries, with Nordic nations facing higher costs due to lack of sunlight.
A study by Seoul National University of Science & Technology found that expanding hydrogen fuel cell heavy-duty trucks could reduce carbon dioxide emissions by approximately 8.74 million tons. Public willingness to pay for this transition amounts to KRW 572.4 billion, far exceeding the prevailing carbon credit price.
Researchers are tackling vibration risks in maglev trains by developing control strategies that incorporate robust control, adaptive algorithms and artificial intelligence. Matching the dynamic characteristics of vehicle, guideway and control system is crucial to suppress vibrations.
A new study by MIT researchers reveals that cities with strong airline connections are more likely to attract multinational firms, particularly in knowledge industries. The study analyzed 7.5 million firms in 800 cities and found that direct flights lead to a 20% increase in subsidiaries, compared to cities with only one-stop connections.
Contrails formed from plane exhaust meet icy air, growing into threads that trap heat and contribute to warming the planet. Combining images from geostationary and low-Earth-orbiting satellites may provide a more complete picture of contrail life and radiative properties.
A new method analyzes nearby vehicle motion to estimate road's trajectory and vanishing point, capturing distant road areas and enhancing safety. The system outperformed conventional and deep learning-based techniques in tests under day and night conditions, reducing intersection-related accidents.
A new framework reveals that compact, mixed-use districts like One-North are designed to generate cleaner travel patterns, but the reality is more complex. Emissions hotspots were identified at major arterial roads, weaker transit-accessible edges of districts, and busy corridors like North Buona Vista Road.
A Bar-Ilan University study suggests that incorporating more walking into daily commutes can improve health without adding extra travel time. By increasing the walking distance thresholds in trip planning, researchers found that most commuters could benefit from an average of nine minutes of walking per day.
Researchers found that optimal conditions, such as cool weather and heavy traffic, minimize postharvest losses for California processing tomatoes. The study analyzed 1.4 million truckloads of tomatoes between 2011 and 2020, finding modest losses despite rising temperatures.
A new poll suggests that more than 80% of people over 65 drive at least weekly, but less than half have made a plan for when they can no longer drive safely due to health changes. Only 6% of older drivers have discussed their driving with a healthcare provider.
Researchers at Pusan National University have developed a new framework for predicting vessel turnaround time by leveraging queuing-based operation indicators. This dynamic approach captures time-varying fluctuations in port operations, offering a more accurate and actionable forecast.
Research by University of Birmingham scientists reveals that lower-income individuals are more likely to own cheaper, higher-emitting vehicles contributing disproportionately to local urban air pollution. Spending an additional £10,000 on a diesel vehicle is associated with a 40% reduction in nitrogen oxide emissions per litre.
According to a new study, humans travel for approximately 1.3 hours per day, regardless of their location or socioeconomic status. This constant travel time is influenced by psychological desires and practical limitations, resulting in a convergent range of travel times across different modes of transport.
A new study shows that while digital access improves daily life activities and sustainability outcomes, it cannot fully replace physical services. The research team developed an innovative evaluation framework to quantify the quality of life in smart cities, highlighting the need for a balance between real-world community support and d...
Researchers explore using municipal solid waste as a low-emission, cost-effective feedstock for sustainable aviation fuel, reducing greenhouse gas emissions by 80-90%. The study suggests that adopting municipal solid waste-based jet fuels could save airlines money under carbon pricing systems.
Researchers at ISTA quantify the environmental impact of international conference travel, finding that train travel can significantly reduce carbon emissions. The study shows that traveling to an overseas conference generates a substantial carbon footprint of four to five tons per participant.
A new study from the Complexity Science Hub found that European cities with a metro system have a significant reduction in car use, with an average of 37% of car trips compared to 50% in cities with only trams and 54% without rail. In contrast, tram cities show no measurable impact on reducing car use.
A new physics-based approach predicts how lightning strikes aircraft, identifying vulnerable regions for protection. The tool can be applied to any shape of aircraft, including unconventional designs.
A policy-specific assessment framework evaluates integrated effects of emission control policies on greenhouse gas mitigation, air quality improvement, and public health protection. China's on-road transportation policies have achieved remarkable progress but face weakening synergies, underscoring the need for deep structural transitions.