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61,005 resultsShowing papers similar to Characterization of airborne tire particle emissions under realistic conditions on the chassis dynamometer, on the test track, and on the road
ClearShades of grey—tire characteristics and road surface influence tire and road wear particle (TRWP) abundance and physicochemical properties
A suite of experiments characterized how tire type, compound, and road surface properties influence tire and road wear particle (TRWP) size, morphology, and emission rates, finding significant variation across tire and road combinations relevant to predicting environmental exposure.
Analysis of TRWP Particle Distribution in Urban and Suburban Landscapes, Connecting Real Road Measurements with Particle Distribution Simulation
Researchers combined road-based tyre and road wear particle emission sampling with particle distribution simulations at a high-traffic urban intersection, finding that TRWP concentrations correlated with vehicle dynamics such as braking and acceleration, and that air humidity and dust resuspension significantly influenced particle measurements in the field.
Analytical Investigation of Tire Induced Particle Emissions
This automotive engineering study measured the size distribution of fine dust particles (under 10 micrometers) generated by tire wear, finding that tire-derived particles represent a significant non-exhaust source of urban particulate matter. As electric vehicle adoption reduces exhaust emissions, tire and brake wear particles will become a proportionally larger component of urban air pollution. These tire wear particles are also a major source of microplastic contamination in road runoff.
Characteristics of Real-world Non-exhaust Particulates from Vehicles
Researchers characterized non-exhaust particulate emissions from vehicle tire and road wear, collecting atmospheric PM samples with a high-volume quartz filter sampler and using pyrolysis-GC/MS to analyze tire rubber markers including polycyclic aromatic hydrocarbons and heavy metals, quantifying the contribution of tire-brake-road wear particles to urban air pollution.
On-Road Vehicle Measurement of Tire Wear Particle Emissions and Approach for Emission Prediction
An instrumented measurement vehicle was developed to quantify tire wear particle emissions under real-world on-road conditions, identifying key driving parameters such as speed, load, and cornering that govern emission rates. The study supports the development of emission factors and regulatory standards for non-exhaust tire-derived microplastic pollution.
Realistic evaluation of tire wear particle emissions and their driving factors on different road types
This study measured tire wear particle (TWP) emissions under realistic driving conditions on different road types and identified the key driving factors affecting emission rates. Tire wear particles are a major category of microplastic pollution in road runoff, and this data is needed to estimate their contribution to environmental contamination.
Emission Characteristics of Tyre Wear Particles from Light-Duty Vehicles
Researchers measured the number concentrations and elemental composition of tyre wear particles emitted from light-duty vehicles under different driving test cycles using a chassis dynamometer. The study found that aggressive driving cycles with larger accelerations and decelerations produced much higher particle emissions, and that high driving speeds with rapid acceleration generated the most tyre wear particles.
Measurement and Analysis of Brake and Tyre Particle Emissions from Automotive Series Components for High-Load Driving Tests on a Wheel and Suspension Test Bed
This is not primarily about microplastics — it is a vehicle emissions study measuring brake and tyre particle emissions (size distribution, mass, and composition) under high-load driving conditions on a test bed, focused on aerosol characterization and non-exhaust emissions regulation.
On airborne tire wear particles along roads with different traffic characteristics using passive sampling and optical microscopy, single particle SEM/EDX, and µ-ATR-FTIR analyses
Researchers used passive sampling and advanced analytical techniques including SEM/EDX and micro-ATR-FTIR to characterize airborne tire wear particles along roads with different traffic volumes and speeds. The study found that tire wear particles, a major category of microplastic pollution, varied in concentration and composition depending on traffic characteristics, highlighting roadways as a significant source of airborne microplastic contamination.
Characteristics of Vehicle Tire and Road Wear Particles’ Size Distribution and Influencing Factors Examined via Laboratory Test
Researchers conducted laboratory tests to characterize the size distribution of tire and road wear particles under various conditions. The study found that factors such as driving speed, tire composition, and road surface characteristics significantly influence the size and quantity of wear particles released, which are a growing source of microplastic pollution.
Tyre and road wear particles (TRWP) - A review of generation, properties, emissions, human health risk, ecotoxicity, and fate in the environment
This comprehensive review compiles current knowledge on tyre and road wear particles, which are generated during driving and contribute to both airborne emissions and microplastic pollution. Researchers found that per-capita tyre wear emissions range from 0.2 to 5.5 kilograms per person per year, with particles ending up in soils, waterways, and the air. While the risk from inhaling these particles appears low, the potential health effects from ingesting them through the food chain remain largely unknown.
Towards real-world TRWP quantification: Combining a novel enclosed collection system with optical sensors to mitigate particle loss in tire emission measurements
Researchers developed an enclosed collection system combined with optical particle sensors to quantify airborne tire wear particle emissions in a laboratory wind tunnel, addressing a critical gap in TRWP measurement methods. The system reduced particle losses during sampling and enabled real-time monitoring, providing a foundation for standardized protocols needed to meet Euro 7 tire emission regulations.
Contribution of Road Vehicle Tyre Wear to Microplastics and Ambient Air Pollution
This review finds that tire wear from road vehicles contributes one-third to one-half of all microplastics released unintentionally into the environment, with passenger cars generating about 110 milligrams per kilometer driven. Most tire particles end up in soil, but a portion becomes airborne, contributing 5-30% of road transport particulate matter emissions. Since the smallest tire particles can be inhaled, this is a significant and often overlooked source of daily microplastic exposure for people living near roads.
Mechanism of microplastic and nanoplastic emission from tire wear
Scientists showed that normal tire wear produces two distinct populations of plastic particles: smaller airborne nanoplastics that stay suspended in the air, and larger microplastics that settle to the ground. Nanoplastic emissions increase dramatically with vehicle speed and weight, and electric charge keeps the smallest particles floating in the air where they can be inhaled. This research identifies tire wear as a major and previously underappreciated source of breathable nanoplastic pollution.
Comparison of Methods for Sampling Particulate Emissions from Tires under Different Test Environments
Researchers compared different methods for sampling tire wear particle emissions under various test conditions, finding significant methodological differences that affect measurement outcomes and highlighting the need for standardized approaches as non-exhaust emissions become an increasing share of total vehicle pollution.
Influence of Vertical Load, Inflation Pressure, and Driving Speed on the Emission of Tire–Road Particulate Matter and Its Size Distribution
Experiments quantified tire-road wear particle emissions as a function of vertical load, tire inflation pressure, and vehicle speed, finding that heavier electric vehicles generate more tire wear microplastics due to their greater mass.
Concentrations of tire wear microplastics and other traffic-derived non-exhaust particles in the road environment
Researchers measured actual environmental concentrations of tire wear microplastics and other traffic-derived non-exhaust particles in a rural highway setting, providing field-based data to complement the theoretical estimates that dominate current literature.
Development of a parametrized and regionalized life cycle inventory model for tire and road wear particles
Researchers developed a detailed model for estimating tire and road wear particle emissions, a major but often overlooked source of microplastics from vehicle traffic. The model accounts for nine key factors including road texture, driving behavior, temperature, and tire type, and can generate estimates at both individual vehicle and national scales. The study found that road surface roughness, aggressive driving, and wet conditions are the biggest drivers of large particle emissions, while temperature and vehicle load most affect fine particle release.
Comparison of traffic-related micro- and nanoplastic concentrations at three urban locations
Researchers measured airborne tire and road wear particles (microplastics shed from vehicle tires) at a busy urban road, a highway, and a park, finding rubber particle concentrations were 2-5 times higher near traffic compared to the park, with levels closely tracking other traffic pollutants like black carbon.
Modelled atmospheric concentration of tyre wear in an urban environment
Researchers modeled airborne concentrations of tire wear particles — tiny plastic-containing fragments released when vehicle tires rub against road surfaces — across Stockholm, finding that these microplastic particles are widespread in cities and make up 4–6% of total air particle pollution, with concentrations highest near busy highways and in narrow street canyons.
Characteristics of Real-world Non-exhaust Particulates from Vehicles
Researchers analyzed non-exhaust particulate emissions from vehicles by collecting tire and atmospheric PM samples, using pyrolysis-GC/MS and ICP/MS to identify polycyclic aromatic hydrocarbons and heavy metals as markers, and found that tire and road wear particles contribute substantially to atmospheric particulate matter with toxicological implications.
Characteristics of Real-World Non-Exhaust Particulates from Vehicles
This study characterized non-exhaust particulate emissions from vehicles including brake wear, tire wear, and road surface particles, examining their size distributions, chemical composition, and toxicity potential. The results support calls for regulatory frameworks that extend beyond tailpipe emissions to address the full spectrum of vehicle-derived pollution.
Tire Wear and Pollutants: An Overview of Research
This review provides an overview of tire road and wear particles as a major source of microplastic emissions, examining both experimental and mathematical approaches to measuring tire wear. The study notes that while tire wear particles are found in alarming amounts across various environments, they remain less studied than other microplastics, and calls for more accurate simulation models to predict tire wear emissions.
Pollution from Transport: Detection of Tyre Particles in Environmental Samples
This study reviews tyre wear particles as a major but underestimated source of microplastic pollution from road transport, describing methods for detecting these particles in environmental samples including road dust, waterways, and soils. The authors call for greater regulatory attention to tyre-derived emissions alongside other transport-related pollutants.