Articles tagged with Transportation
Rapid adoption of zero-emission vehicles is essential alongside a clean electric grid transition. Managing travel demand growth reduces the need for clean electricity supply. The study explores changes in technology, behavior, and policies to envision sustainable transportation systems.
Kyushu University researchers have developed a new material that can store hydrogen energy for up to three months at room temperature, using an inexpensive element like nickel. This innovation could potentially reduce the cost of future compounds and contribute to the transition to alternative energy sources.
The UCLA Mobility Center of Excellence will conduct research on the impacts of new mobility technologies and highly automated vehicles on transportation systems. The center aims to improve efficiency, mobility, and sustainability by studying the long-term effects of emerging mobility technologies.
The University of Missouri's Missouri Work Zone Safety Center of Excellence aims to reduce fatalities and serious injuries in highway work zones through research and outreach. The center will focus on integrating emerging technologies, data analysis, and countermeasures to address distracted driving and other safety concerns.
The UK National Clean Maritime Research Hub aims to accelerate the decarbonisation of maritime activity in ports and at sea. The hub will carry out innovative research in sustainable marine fuels and their safe use, low-carbon power and propulsion systems for shipping.
A recent MU study found that health and healthcare organizations are increasingly offering basic social services, such as transportation, housing, food, and mental health support, to address disparities in health outcomes. The research team explored innovative solutions implemented by care coordinators and social services to help overc...
New research from the University of Ottawa's Telfer School of Management suggests that managing public transit projects requires a comprehensive approach considering rational, psychosocial, and political dimensions. This involves engaging stakeholders, including non-users, to ensure societal impact and cost-effectiveness.
Researchers at North Carolina State University found that connected vehicles improve travel time through intersections, but automated vehicles without connectivity actually increase wait times. The study suggests that incorporating vehicle-to-vehicle and vehicle-to-infrastructure communication is crucial for optimizing traffic flow.
A team of researchers led by ORNL's Alex Plotkowski developed a novel high-performance alloy, 3Cr-XHTS steel, which can withstand extreme temperatures and stresses. The new alloy demonstrated significant improvements in fatigue strength and oxidation resistance compared to existing materials.
Oak Ridge National Laboratory researchers reconstructed crude oil transport paths by linking geotagged images with national railway networks. The study found that these inferred routes aligned with approximately 96% of documented incidents, highlighting potential risks along rail routes.
The University of Houston's CYBER-CARE research center aims to prevent cyberattacks that could compromise the safe movement of people and goods in the US. The center will focus on four goals, including exploring advanced theories to mitigate the impact of large-scale cyberattacks.
Medical evacuation by train in a war zone is possible and can transport more severely ill or injured individuals due to intensive care capacity on board. The target population should not be limited to trauma patients only.
Children with parental cancer history face higher rates of unmet economic needs, including food security, housing affordability and transportation access. The study highlights the need for strategies to identify and support these vulnerable children.
Researchers at University of Nebraska-Lincoln are working on safeguarding US military base entry points against EV threats, focusing on high-speed ramming and zero-to-60 acceleration. The team will employ digital simulations and physical crash tests to refine barriers designed to withstand such impacts.
Researchers developed a method to analyze element distribution and transport pathways in plant roots, allowing for the identification of cell type-specific elemental concentrations. The study revealed a steep concentration gradient between outer and inner cell layers in roots and identified a cell type-specific enrichment of manganese ...
A new study from Chalmers University of Technology reveals that the marine environment is at risk due to ship emissions, particularly from scrubber discharge water and antifouling paint. The cumulative environmental risk in ports was found to be five and thirteen times higher than acceptable limits.
Researchers have identified a novel gene WTS that confers broad-spectrum resistance to clubroot disease in Brassica crops. The WTS protein complex functions as an endoplasmic reticulum-localized calcium release channel, increasing cytosolic calcium ions and activating plant defenses.
Researchers at Chalmers University of Technology show that electrifying heavy goods vehicles can be profitable, even for long-distance trips. The study compared two battery sizes and fast charging prices, concluding that electricity is a cheaper alternative to diesel in many cases.
Scientists at the University of Cambridge have created a solar-powered technology that converts carbon dioxide and water into liquid fuels like ethanol and propanol. These fuels have high energy density and produce no net carbon emissions, making them a promising alternative to fossil fuels.
The new model maximizes coverage area and minimizes response time, accounting for hot spots. It outperformed existing techniques in computational testing, improving response times regardless of traffic size.
A study by Carnegie Mellon University found that ridesharing platforms significantly outperformed traditional taxi systems during urban emergencies. The platforms' use of technology and elastic supply of vehicles and drivers enabled them to cope with uncertainties more effectively.
A research group from Tohoku University successfully develops a dealloying bonding technology that forms a strong mechanical bond between iron and magnesium. This breakthrough enables the creation of new lightweight materials with reduced environmental impact, potentially transforming the transportation industry.
Researchers at UCC and Columbia University have developed a new machine learning approach called TrebuNet to accurately estimate future transport demands, which collectively account for 20% of global greenhouse gas emissions. The new method achieves superior performance compared to traditional regression methods and neural networks, pr...
A new open-source tool called TILE2NET uses aerial imagery and image-recognition to create complete maps of sidewalks and crosswalks. The tool has been trained on 20,000 aerial images from Boston, Cambridge, New York City, and Washington, recognizing 90% or more of all sidewalks and crosswalks in these cities.
A new LiDAR system pinpoints pedestrian behavior to improve safety and efficiency at intersections. The system tracks pedestrians' true intent to cross, reducing conflicts between pedestrians and vehicles.
Researchers found that flat plate bow covers can decrease up to 42% of the wind drag on the hull of ships. The study used computational fluid dynamics simulations and found that a finer mesh gave more accurate results, with 23.62 million elements as an optimum number.
A new Argonne study compares drone energy usage to diesel trucks and electric vehicles, finding that drones consume as much energy as either on average windy days. The models are based on regional energy consumption and facility costs of direct delivery drones under various wind speed scenarios.
A new study by University of Central Florida researchers found that people who are more environmentally friendly and satisfied with their life are more likely to cycle post-pandemic. The survey analysis of over 7,000 respondents showed a significant increase in cycling intentions among women without vehicles and full-time employees.
A novel ensemble learning model has achieved an accuracy of 96 percent in predicting mild cognitive impairment and dementia in older drivers. The two most influential driving variables are the right to left turn ratio and the number of hard braking events.
Researchers investigated psychostimulants' effects on dopamine transporter, discovering persistent binding determines sustained effects. The study found that varying binding times between substances result in different durations and intensities of effects.
A MIT experiment equipped second-hand bicycles with mobile trackers to track their whereabouts over time, revealing that most stolen bikes remain in the local area. The majority of bikes were resold and re-used within the city's bike fleet.
The study reveals new details about the intraflagellar transport (IFT) complexes, including previously unknown zinc-binding sites in IFT-A. The high-resolution structures of IFT-A and Tubby-related protein 3 (TULP3) can now be used to investigate developmental diseases involving cilia.
A review paper on quantum transport could lead to innovative materials and devices for efficient energy management at the nanoscale. The paper provides a structured overview of theoretical understanding, models, methods, and properties of quantum systems.
A new modeling and visualization tool assists transit agencies in making the transition to electric buses, considering both cost and environmental equity. The bi-objective optimization framework model enables agencies to explore the interdependency of an electric bus transit system and a city's energy infrastructure.
A new approach, called the white phase concept, uses autonomous vehicles to control traffic flow at intersections, reducing fuel consumption and travel time. The system informs human drivers through a clearly identifiable signal, improving safety and efficiency.
A new study from Kyushu University examines the spillover effects of rising energy prices following the 2022 Russian invasion of Ukraine. The research finds that a 20% increase in energy prices has little impact on global prices and social surplus, with only a small effect on certain sectors.
Assistant Professor Mohammad Asadi has published a paper in Science describing the chemistry behind his novel lithium-air battery design, which could store one kilowatt-hour per kilogram or higher. This breakthrough technology has the potential to revolutionize heavy-duty vehicles such as airplanes, trains, and submarines.
A Japanese study found that mandatory cognitive screening tests for older drivers led to a significant decrease in motor vehicle collisions. However, the policy also resulted in an increase in road injuries for pedestrians and cyclists, particularly among younger age subgroups.
Researchers at the University of Cambridge discovered that the London Underground is contaminated with ultrafine metallic particles, including maghemite, which can be inhaled and enter the bloodstream. The particles are so small that they evade traditional air pollution monitoring methods, posing a significant risk to public health.
Researchers at Incheon National University have developed an IoT-enabled, real-time object detection system for autonomous vehicles. The YOLOv3-based model achieved high accuracy (>96%) in detecting 2D and 3D objects, outperforming other state-of-the-art detection models.
Research found that widespread electric vehicle adoption will significantly reduce air pollution and associated mortality in US metropolitan areas, with Los Angeles projected to see 1,163 fewer premature deaths annually. Electric vehicles could bring up to $12.61 billion in economic health benefits by 2050.
Researchers developed biocomposites from corn stover and switchgrass for 3D printing with satisfactory properties. A national hydropower testing facility network can accelerate innovation and adoption of clean energy technologies. An EV truck stop design enables megawatt-scale charging, reducing carbon emissions.
Researchers develop an algorithm to automate feature extraction from HD maps and point cloud data. The model achieved high precision in detecting road signs and traffic lights, with zero false detections.
Researchers at Chalmers University have developed an optical hydrogen sensor that can detect extremely low levels of hydrogen, allowing for early detection and alarm. The sensor uses AI technology to optimize particle arrangement and geometry, achieving sensitivity in the parts per billion range.
Research by Lero and Motion-S found that fitting all UK cars with Advanced Driver Assistance Systems (ADAS) could prevent 24% of road crashes. Automatic Emergency Braking (AEB) is the most impactful technology, reducing three out of four most frequent accident categories.
Researchers at Princeton and Rice universities developed a low-cost technique to split hydrogen from liquid ammonia using LED light and nanotechnology, paving the way for sustainable and locally produced hydrogen. The technique overcomes a critical hurdle in realizing hydrogen's potential as a clean fuel.
Researchers at Purdue University are designing autonomous vehicles that can accommodate people with disabilities. Their goal is to create a standard for technology accessibility that will enable the entire population to use these vehicles, regardless of their mobility or sensory challenges.
A bike box setup can help cyclists stay safe at urban, signalized intersections by providing a visible space to navigate through the intersection. The study found that among three treatments, bike boxes were the most versatile, offering a balance of safety and requiring riders to perceive potential danger.
The UC San Diego TREDS program aims to educate drivers and pedestrians about road safety with a new self-paced online program targeting underage drivers. The initiative seeks to reduce traffic-related injuries and deaths, particularly among teens aged 15-20 who are at higher crash rates.
A new report explores how to leverage low-cost methods to enable people with visual impairment to move through public, urban indoor and outdoor spaces. Tactile maps were found to be a very useful resource, while an accessible mobile app also showed promise as an orientation and mobility aid.
Researchers developed an isothermal chemical vapor transport (ICVT) method for growing high-quality monocrystals without temperature gradients. This technique simplifies the growth process and produces crystals with excellent crystallographic quality.
Researchers found that permanent daylight savings time reduces deer-vehicle collisions by 16 percent, resulting in fewer animal deaths and human injuries. The study predicts that year-round DST could prevent up to 36,550 deer deaths annually.
Researchers analyzed data from bike share stations in NYC, Chicago, and Philadelphia to understand disparities in bike share use. Key findings include concerns about traffic safety and personal safety among lower-income and people of color residents.
Researchers have discovered that zinc ions tune the ability of human serum albumin to prevent α-synuclein aggregation, a process linked to Parkinson's disease. Zinc binding alters HSA's chaperone function, blunting fibril formation and slowing down protein deposition that can lead to neurodegeneration.
A study found that online grocery shopping filled gaps for people with mobility limitations, quarantine, or sick with COVID. Despite technological limitations, many consumers predicted continued high usage of e-commerce in the food sector.
Research suggests e-bikes won't help users reach weekly moderate to vigorous physical activity targets due to fewer and less physically demanding trips. However, they may encourage older people to take up cycling who wouldn't otherwise do so.
Researchers investigate how motor proteins transport vital proteins and RNAs to the right location within cells, where they can cause or prevent genetic neurological diseases. By understanding these highly regulated transport systems, scientists hope to develop new treatments for conditions like spinal muscular atrophy and Charcot-Mari...
Purdue researchers have developed a new formulation of the world's whitest paint that is thinner and lighter, achieving nearly the same benchmark of solar reflectance as the original. The new paint incorporates hexagonal boron nitride and voids of air, providing reduced weight and increased cooling capabilities.
New research models the value of clean hydrogen in decarbonizing heavy industries and transportation in China. A widespread application of clean hydrogen in HTA sectors can save $1.72 trillion in investment costs and avoid a 0.13% loss in aggregate GDP.
A recent study found that over 11,000 people treated in US emergency departments for drug-related bike injuries were men, with methamphetamine being the most common substance involved. The study highlights the need for further research and interventions to prevent these incidents.