Articles tagged with Hybrid Automobiles
Research from the University of Michigan shows that switching to fuel cells or batteries can reduce lifetime greenhouse gas emissions by up to 90% compared to diesel-powered vehicles. The study found that hydrogen fuel cells and battery electric powertrains offered the largest emissions reductions.
A study by Virginia Tech researchers found that electric vehicles generally produce less non-exhaust emissions than gasoline-powered vehicles when driving in city conditions. The research also highlights the environmental benefits of regenerative braking, which reduces brake abrasion emissions.
Researchers analyzed real-time data from over 50,000 public EV charging stations to understand demand and peak times. The study found high demand during working hours in California and identified potential inequities in access to EV charging facilities across diverse communities.
A comparative study by Lero reveals that electric vehicles have a higher chance of experiencing an at-fault insurance claim, with a 4% increase in crashes compared to internal combustion engines. The research also found that hybrids show no further increased risk, indicating EVs have a higher risk profile.
Researchers found raw material demand for electric vehicles will nearly double by 2050 if current trends continue. Implementing circular economy strategies such as ride-sharing, recycling, and solid-state batteries can halve resource demand or maintain it at 2015 levels.
Pedestrians may be twice as likely to be hit by electric or hybrid cars as those powered by petrol or diesel, according to a study of casualty rates in Great Britain from 2013-17. The risk is greater in urban areas, where background ambient noise levels are higher.
The article reviews energy management strategies for hybrid electric vehicles and aircraft, highlighting challenges and solutions. It also discusses the application of energy management in flying cars driven by hybrid electric propulsion systems.
A team of researchers at Kyushu University found that Japan's current policy may not be enough to reduce CO2 emissions and achieve decarbonization goals. To address this, the government must extend vehicle longevity, invest in a cleaner energy mix, and decarbonize the supply chain.
A large study of used cars and SUVs found battery electric vehicles driven almost 4,500 fewer miles than gas cars annually. This challenges current assumptions about emissions savings from EVs, highlighting the need for better understanding of driver behavior to accurately predict emissions reductions.
Scientists have developed a new catalyst that can convert toxic carbon monoxide into carbon dioxide even at room temperature. By varying the size of the ceria particles, they improved the performance of palladium-based catalysts, increasing reactivity and efficiency.
Researchers at King Abdullah University of Science & Technology (KAUST) successfully integrated two-dimensional materials on silicon microchips, achieving high integration density, electronic performance, and yield. The resulting hybrid devices exhibit special electronic properties that enable low-power consumption artificial neural ne...
The Inflation Reduction Act's target for domestic EV battery mineral extraction is achievable for some plug-in hybrid vehicles but poses significant challenges for fully electric vehicles. A mass-based standard could reduce uncertainty and incentivize production of high-value minerals domestically.
Researchers found that electric car adoption in California was associated with real-world reductions in air pollution and asthma-related emergency room visits. The study also highlighted an 'adoption gap' between low-resource zip codes, pointing to opportunities for environmental justice.
A new study published in Applied Economics challenges the long-held 80-20 rule in F1, finding that car and team input accounts for 20% of success, while driver skill accounts for 15%. The interaction between driver and team is found to be the biggest factor, accounting for 30-40% of success.
A new study by Xi'an Jiaotong-Liverpool University finds that upscale hotels in Texas benefit most from hosting Tesla charging stations between 2015-2018. The study suggests that the benefits are due to brand alignment and the presence of nearby tourist attractions, which attract customers seeking charging services.
Researchers at the University of Delaware have developed a novel electrochemical system that can capture 99% of carbon dioxide from air, effectively turning it into an environmentally friendly fuel cell technology. The technology uses hydrogen as power and has potential applications in various industries, including automotive, aerospac...
Researchers at WVU are creating control software for aerial robots to survey Venus' atmosphere, helping model the evolution of climate on Earth. The aerobots will use a hybrid airship design and energy-efficient paths to explore the planet's surface.
Researchers have developed a novel process to manufacture extreme heat-resistant carbon-carbon composites, which will be tested on a U.S. Navy rocket launching with NASA this fall. Additionally, they created a technology that more realistically emulates user activities to improve cyber testbeds and prevent cyberattacks.
Researchers found hybrid electric vehicles have twice the vulnerability to supply chain disruptions as gas-powered models, due to volatile battery prices and scarce materials. Long-term supplier contracts and material substitution can mitigate these risks as manufacturers ramp up EV production.
A team of researchers, led by Dr. Muzammil Arshad, conducted a study on the performance of hydrogen-enriched fuel in spark ignition engines. The findings show that adding hydrogen can reduce in-cylinder peak pressure and emissions, making it a potential solution to improve fuel efficiency and reduce harmful emissions.
Researchers develop a novel method to automatically design a mode-free, model-agnostic AI-driven controller for any hybrid UAV, simplifying control and increasing accessibility. The team uses reinforcement learning techniques to optimize flight performance in realistic simulations.
Advancements in zero-emission fuel cells could make them economically practical for vehicle power, with improved durability and cost-effectiveness. The new technology has the potential to replace traditional gasoline engines and pave the way for a cleaner transportation system.
Purdue researchers develop 'instantly rechargeable' battery technology that can be refilled like a gas tank, eliminating the need for re-charging stations. This innovation could expedite the adoption of electric and hybrid vehicles by reducing charging time and infrastructure costs.
Researchers at UC Riverside developed an innovative energy management system for plug-in hybrids, cutting fuel consumption by over 30% through real-time data analysis. The system combines connected vehicle technology and evolutionary algorithms to optimize power split between engine and battery, achieving greater efficiency.
The USABC has awarded a $1 million contract to WPI to scale up a novel process for recycling lithium-ion batteries. The process recovers cathode materials, which can be reused in new batteries at a significant cost reduction.
A team of Penn State researchers has created a simple mathematical formula to predict the most influential factors in lithium-ion battery aging. The formula takes into account state of charge, charging/discharging frequency, operating temperature, and current to estimate battery degradation.
Researchers develop lightweight and high-power density capacitors using nanocellulose-based materials, paving the way for more efficient and environmentally friendly electronics. The new devices offer faster charging abilities and can accumulate energy during braking to release it during acceleration.
Berkeley Lab researchers found that hybrid cars are significantly more fuel-efficient in India and China than in the United States. In India, hybrids use up to 47-48% less fuel, while in China, they use up to 53-55%. The study's findings have important implications for countries with growing personal vehicle markets like India.
A Baylor University study found that older consumers purchase hybrid cars for social values, pride, and prestige, rather than environmental concerns. This knowledge can help marketers, as senior citizens are willing to pay extra for eco-friendly products.
A Mayo Clinic study has found that electric cars do not interfere with implanted cardiac devices like pacemakers and defibrillators. The study tested a hybrid car's electromagnetic interference (EMI) on six positions in the vehicle, including driver and passenger seats, to determine if it posed a risk to patients with implantable devices.
The Advanced Management and Protection of Energy Storage Devices (AMPED) program will focus on optimizing lithium-ion batteries for electric-drive vehicles through improved management and controls. The project aims to increase utilization, life, and cost-effectiveness of Li-ion batteries.
Researchers found that moral judgments are made faster and more extreme than practical ones, but also revealed flexibility in how we consider decisions as moral or non-moral. The study showed that judgments based on morality can be readily shifted to practical considerations and vice versa.
Scientists at University of California, Riverside, are conducting a two-year study on hybrid bulldozer and excavator emission reduction benefits. The project aims to establish the methodology for comparing hybrid vehicles under varied conditions and may inform a hybrid incentive program.
Researchers at UC Berkeley found that ending the hybrid car program in California's carpool lanes slowed traffic for all drivers, not just hybrids. The study showed that moving hybrids out of carpool lanes increased congestion in adjacent lanes and reduced overall traffic speed.
Researchers found that weak supporting evidence can make people less likely to believe in an outcome, even if they have no evidence at all. This effect, known as the 'weak evidence effect,' influences professional persuaders and public perceptions of policy.
A study by Purdue University economists found that California's tiered electricity pricing system discourages consumption and makes plug-in hybrid cars less economical. Adding a plug-in hybrid would increase energy use nearly 60% per household, mostly charged at the highest rate.
Studies have shown that hybrid cars achieve up to twice the efficiency in city driving, resulting in significant fuel consumption and CO2 emission reductions. Natural gas fueled vehicles also offer a comparable alternative with additional economy benefits.
Sandia National Laboratories will use the funding to enhance its existing Battery Abuse Testing Laboratory, increasing test throughput and developing low-cost batteries for electric and plug-in hybrid vehicles.
A study by Shalini Bahl and George R. Milne found that consumers engage in an inner dialogue with multiple perspectives, including a 'desirable self' that promotes positive consumption behaviors. However, this self can also lead to overstretching and burnout when allowed free reign.
Researchers aim to optimize fuel consumption by integrating plug-in hybrid electric vehicles with roadside infrastructure, reducing pollution and greenhouse gas emissions. They plan to provide drivers with alternative routes to maximize fuel economy.
Researchers developed formulas and models to predict boiling behavior in microchannels, allowing for more efficient cooling systems. The new technology can be used to cool high-power electronic components in vehicles, improving performance and reducing overheating.
A Georgia Tech study shows that hybrid vehicles and higher density cities could significantly reduce CO2 emissions from cars and trucks by 2050. The research found that doubling population density in large US cities would have a greater impact on CO2 reductions than full hybridization of the vehicle fleet.
Human factors researchers suggest adding engine noise to quiet hybrid cars to improve pedestrian safety. Participants rated automotive engine sounds as the most preferred category, followed by white noise and hum.
Researchers at the University of Bath are developing new rechargeable lithium batteries to enhance hybrid electric cars. These advancements aim to reduce energy consumption, lower emissions, and increase efficiency in urban driving.
The new valveless design reduces fuel consumption by up to 40 percent, and incorporating microstructured surfaces improves performance by up to 57 percent. These innovations aim to increase the efficiency of hydraulic pumps and motors in heavy construction equipment.
Plug-in hybrid electric vehicles could significantly reduce greenhouse gas emissions if powered by low-carbon electricity. According to Carnegie Mellon researchers, life cycle greenhouse gas emissions from plug-in hybrids are about one-third less than traditional gasoline-powered cars.
Researchers question the environmental sustainability of hybrid vehicle technology, citing its high cost and potential to slow the adoption of more innovative technologies like fuel-cell cars. The study suggests that the current craze for hybrids may be a red light for climate change and emissions reduction efforts.
A RAND Corporation study finds that advanced diesel technology outperforms hybrid technology, which in turn beats gasoline-powered cars. Diesel vehicles provide larger savings for consumers and society, while hybrids offer moderate-to-small benefits.
A study by U of M researchers found that people often treat percentages as whole numbers, leading to systematic errors in calculation. This results in consumers misjudging discounts and making costly mistakes.
The latest Powertrain System Analysis Toolkit (PSAT V6.1) includes new features and improvements, enabling designers to quickly examine various powertrain configurations and understand their impacts on performance and fuel economy. More than 300 researchers worldwide use PSAT, which has been recognized as an R&D 100 award winner.
The EPRI and Argonne analysis will evaluate PHEVs, hybrids, and conventional vehicles from environmental, cost, design, and marketing perspectives. The research project aims to provide a balanced study of the advantages and challenges of PHEV design and commercial production.
Researchers at Sandia National Laboratories are developing strategies to make lithium-ion batteries more tolerant to abusive conditions, with the goal of increasing their lifespan and reducing costs. The team's work could pave the way for the widespread adoption of hybrid electric vehicles powered by lithium-ion batteries.
Fuel cells offer improved efficiency, low emissions, and design flexibility for naval vessels, slashing shipbuilding costs. The Navy's ONR is testing a diesel fuel reformer to develop a proton exchange membrane (PEM) fuel cell, which will be capable of between 37-52 percent efficiency.
A new self-powered undersea robot will descend 11,000 meters using navigation and control systems developed by Johns Hopkins researchers. The project aims to extend oceanographic research at extreme depths with a highly precise underwater vehicle.
The UC Davis entry, 'Yosemite', a plug-in hybrid electric vehicle, achieved fuel economy of about 30 miles per gallon with similar performance to a standard Ford Explorer SUV. The team won the competition in 2001 and subsequent awards for Best Dynamic Handling and telematics.
The MIT study concludes that hydrogen fuel cell vehicles are not an environmentally friendly solution due to energy consumption and emissions. Hybrid vehicles, on the other hand, offer a more efficient approach, reducing energy use and emissions by a third compared to current vehicles.
The US Navy has successfully tested a hybrid drive vehicle, called the Shadow, which achieved 1000 miles without major issues. The vehicle features an in-hub hybrid-electric drive that enables it to run silently and generate auxiliary power, making it suitable for various military applications.