Articles tagged with Fuel Consumption
A University of Houston professor has found that tree-like thin films release heat at least three times better than traditional methods, enabling more efficient cooling in AI data centers. The discovery demonstrates the power of physics-aware AI design for validating high-impact cooling solutions.
Researchers used foam-entrapped supercritical CO2 to prevent stored carbon from moving back to the surface. The approach shows promise for enhancing oil recovery and reducing CO2 migration.
Researchers at KTH Royal Institute of Technology developed a model to estimate biofilm growth, enabling optimal hull cleaning schedules to save on fuel consumption. Biofilm fouling can increase fuel friction by up to 18%, leading to higher emissions and consumer prices.
A new monitoring system uses 'virtual sensing' to accurately estimate CO₂ and NOx emissions based on driving behavior. The system provides personalized environmental impact assessments, empowering drivers to manage their emissions.
A team of researchers at the University of Illinois has developed a multimode propulsion system that integrates both chemical high-thrust mode and electric low-thrust mode, resulting in reduced fuel consumption and increased flexibility. The system uses the same propellant for both modes, saving mass and volume.
New studies from Chalmers University of Technology suggest that hydrogen-powered aircraft could meet the needs of 97% of intra-Nordic flights and 58% of Nordic passenger volume by 2045. A novel heat exchanger technology has shown promise in reducing fuel consumption by almost eight percent.
A new study by University of Massachusetts Amherst engineers highlights the disproportionate impact of poorly maintained roads on residents in disadvantaged communities. The research found that these communities are twice as likely to have poor roads, leading to increased fuel consumption and higher costs for drivers.
A new study by the University of Eastern Finland found that preheating a vehicle has minimal effects on both fuel economy and emissions under cold winter conditions. While preheating showed some benefits in terms of engine comfort and wear reduction, its impact on overall fuel consumption was only slightly lower than after a cold start.
Researchers at Chalmers University of Technology have developed a unique method to reduce ship aerodynamic drag, which could lead to significant energy efficiency gains and reduced fuel consumption. The method uses the Coanda effect to create a more efficient airflow around the ship's superstructure, reducing drag by 7.5%.
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 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.
MU researchers, including Jay J. Thelen and Dong Xu, are exploring genetic modification to increase seed oil production in camelina and pennycress for biofuel use in the aviation industry. The team aims to create a sustainable 'green energy' source as an alternative to petroleum-based fossil fuels.
Mathematicians at Aston University are developing computational modelling techniques to examine biological drag reduction methods, such as fish slime secreted by predator-avoiding fish. This project aims to reduce skin-friction drag and increase the performance range of electric vehicles, contributing to a reduction in CO2 emissions.
A new study demonstrates a machine-learning approach that can learn to control a fleet of autonomous vehicles as they approach and travel through a signalized intersection. The technique reduces fuel consumption and emissions while improving average vehicle speed, with benefits seen even when only 25% of cars use the control algorithm.
Researchers found that speeding can decrease fuel economy by 7% and result in an extra 28 cents per gallon at current US fuel prices. They also studied human behavior during the early days of COVID-19 and simulated cosmic collisions to better understand X-ray emissions.
Researchers from Korea Maritime & Ocean University found that using LPG as a marine fuel can reduce annual fuel consumption by 7.5-10.4%, fuel cost by 8.8-25.9%, and carbon dioxide emissions by 10-14%. The study also highlights the potential for promoting LPG as an eco-friendly alternative to traditional fuels.
A team of scientists from Tokyo University of Science has developed a machine learning-based tool to predict thermoacoustic oscillations in engines. The tool uses dynamical systems theory and can classify combustion into three states, identifying pressure fluctuations that indicate future combustion oscillations.
A new study estimates that over 3 billion people worldwide will still mainly use polluting fuels like wood and charcoal by 2030. This disproportionately affects Sub-Saharan Africa, where the number of people using these fuels is growing rapidly.
A proposed algorithm could reduce carbon dioxide emissions from semi-trucks and other heavy-duty vehicles by up to 9.3%. The Cloud Computing System uses data from external sources like road slope, speed limits, and weather conditions to determine the most fuel-efficient route.
Researchers have solved a 127-year-old physics problem regarding the Kelvin angle in boat wakes, finding that the traditional assumption is not always true. The study reveals that boat wakes can have a different angle and even be off-center when affected by shear flow or other environmental factors.
Researchers at Stevens Institute of Technology found that smart car technologies such as lane-keeping warnings and cruise control can reduce fuel consumption by 27 to 119 gallons per year, saving drivers between $60 and $266 each year.
Researchers at University of Michigan developed a self-healing, water-repellent coating that's hundreds of times more durable than its counterparts. The coating can heal itself chemically and physically, making it ideal for applications like waterproofing vehicles, clothing and ship hulls.
MIT researchers incorporated human strategies into automatic planners, achieving significant improvements in performance. By encoding high-level strategies from skilled human planners, they improved the performance of competition-winning algorithms on complex planning problems.
Researchers at University of California, Riverside developed an energy management system that improves plug-in hybrid efficiency by 12 percent. The system uses machine learning and real-time data to optimize energy consumption and reduce greenhouse gas emissions.
The 'GESTOIL' system enables significant fuel savings of up to 25% in troll fishing and 10% in purse-seine vessels. Energy audits on fishing vessels help optimize energy consumption through technical and operational improvements.
Researchers at Chalmers University of Technology have developed a new method to calculate the cost-efficiency of plug-in hybrids, significantly reducing calculation time. The convex optimisation algorithm allows for rapid feedback and consideration of various parameters affecting the overall cost.
Researchers at Purdue University have developed a new steering technology that eliminates valves and uses advanced algorithms to precisely control hydraulic pumps, resulting in a 43% increase in fuel efficiency. The system also shows improved machine productivity and reduced operator fatigue.
A new study by MIT civil engineers finds that stiffer pavements can reduce vehicle fuel consumption by as much as 3 percent and decrease CO2 emissions by 46.5 million metric tons per year, resulting in significant savings and environmental benefits. The study uses mathematical modeling to analyze pavement deflection under vehicle tires...
A third of car fuel consumption is due to friction loss, which can be reduced with new technologies like surface coatings, lubricant additives, and low-friction tyres. By reducing friction, drivers can save up to 18% fuel consumption within 5-10 years, and carbon dioxide emissions could decrease by 290 million tonnes per year.
A study by Empa found that car air conditioning systems account for up to 30% of fuel consumption in hot climates, but turning off the system when the temperature drops below 18°C can save two-thirds of this extra consumption. The study also found that diesel vehicles consume less fuel with air conditioning on than petrol engines.
Researchers have discovered a way to create superhydrophobic surfaces based on water ferns, which could reduce friction and save up to 1% of global fuel consumption. The coating is made possible by the unique properties of the plant's hairs, which are hydrophobic but also have hydrophilic tips that 'staple' water in place.
Researchers have designed a new rear spoiler that can reduce drag and lift significantly, resulting in improved fuel consumption and vehicle handling. The spoiler's unique design can improve fuel efficiency by up to several miles per gallon and lower carbon emissions.
A study suggests that eating less, especially junk foods, can reduce the US food system's energy consumption by 50 percent. Traditional farming methods, such as organic farming and reduced pesticide use, can also make a significant impact on energy efficiency.
Researchers at Eindhoven University of Technology have developed a software patch to increase fuel efficiency in cars, reducing energy waste and emissions. The patch enables the car to achieve optimal engine performance more frequently, resulting in savings of up to 2.6% on fuel consumption.