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61,005 resultsShowing papers similar to A parametrized and regionalized TRWP inventory model for LCA
ClearA parametrized and regionalized TRWP inventory model for LCA
This study developed a parametrized and regionalized inventory model for tire and road wear particles for use in life cycle assessment, addressing the limitations of current emission factor estimates that do not capture regional differences in vehicle use and road conditions. The model provides more accurate and geographically resolved TRWP emission estimates for environmental impact accounting.
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.
Quantification and mapping of tyre wear emissions: from EU regional analysis to global projections
Researchers quantified and mapped tyre wear particle emissions across EU member states and developed global projections, finding substantial discrepancies in per capita emission estimates across different national methodologies and providing guidance for optimizing future emission estimations.
Shades 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.
Assessing regional emissions of vehicle-based tire wear particle from macro-to micro/nano-scales with pandemic lockdowns and electromobility scenarios implications
Researchers developed a data-driven probabilistic model to estimate regional tire wear particle emissions across different land use scenarios, incorporating vehicle fleet data, driving patterns, and emission factors. Modeling suggested that tire wear particles represent a substantial and underappreciated pathway for microplastic entry into the atmosphere, with implications for both human health and environmental policy.
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.
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.
Tyre Wear Particles: Emissions and Distribution in Soil and Stormwater Systems in Near Road Environments
Researchers conducted a multi-scale investigation of tyre wear particle emissions in Sweden, characterizing their distribution in roadside ditches and stormwater systems and developing a national emissions estimation methodology using vehicle-specific factors. Passenger cars were identified as the largest contributor at 55% of total tyre wear particle emissions, and the study evaluated the effectiveness of selected mitigation strategies.
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.
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.
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.
Characterization of airborne tire particle emissions under realistic conditions on the chassis dynamometer, on the test track, and on the road
Researchers developed a new tire and road wear particle (TRWP) sampling system and characterized airborne emissions under real-world conditions on a chassis dynamometer, test track, and public road. Emissions showed a bimodal size distribution with dominant modes at ~10 nm and 270 nm, with SEM/EDS revealing two particle formation mechanisms and confirming tire rubber as a major source of ultrafine airborne particles.
An estimation of tire and road wear particles emissions in surface water based on a conceptual framework
Researchers developed a conceptual framework to estimate emissions of tire and road wear particles (TRWPs) into surface water, identifying them as a dominant source of microplastic contamination in freshwater environments globally.
Review: Mitigation measures to reduce tire and road wear particles
This review summarizes the current state of science and technology for reducing tire and road wear particles (TRWP), which are generated by friction between tires and road surfaces. The study analyzed approximately 500 sources and assessed various preventative and end-of-pipe mitigation strategies based on their efficiency, maturity, and potential environmental impact.
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.
Vehicle Emission Models and Traffic Simulators: A Review
This review surveys vehicle emission models and traffic simulation tools used to estimate air pollution from road traffic. While focused on exhaust emissions, the methods discussed are relevant to understanding non-exhaust pollution like tire wear microplastics, which are released in large quantities from vehicle tires. Better emission modeling could help quantify the full scope of traffic-related microplastic pollution in urban areas.
ATiered Quantification and Source Mapping Frameworkfor Tire Wear Particle Analysis in Environmental Matrices
Researchers developed a tiered quantification and source mapping framework for tire wear particles (TWPs) in environmental matrices, using pyrolysis GC-MS with real tread-derived calibration curves to improve quantification accuracy across heterogeneous tread compositions.
Tire wear particles: Trends from bibliometric analysis, environmental distribution with meta-analysis, and implications
Bibliometric analysis showed tire wear particle research is concentrated in Europe and North America despite large vehicle populations in Asia and Africa. Meta-analysis revealed that tire wear particle concentrations varied greatly by country and environmental medium, with biotoxicity, environmental distribution, and human health risks identified as the current research hotspots.
Quantifying pathways of tyre wear into the environment.
Researchers conducted the first national-scale spatial analysis of tyre wear particle (TWP) pathways in the UK, estimating that 79.5 kilotonnes of TWPs are released annually with 23-34 kt reaching surface waters, 18.5-30.2 kt deposited on roadsides, and 1.3-6.7 kt entering the atmosphere.
Comprehensive approach to national tire wear emissions: Challenges and implications
Researchers developed a comprehensive approach to estimate national tire wear emissions, which are a major source of microplastics in the environment. They found that increasing vehicle weight due to electrification trends and growing traffic volumes are driving higher emissions, while no regulations currently exist for tire wear. The study provides methods needed for tracking changes in tire-related microplastic pollution and supporting future environmental impact assessments.
Static modelling of the material flows of micro- and nanoplastic particles caused by the use of vehicle tyres
Researchers modeled the flow of tyre wear particles in Austria, finding that about 6% of tyre rubber is released as wear particles into the environment each year, with emissions entering air, soil, and surface water. The study estimated that of the 21,200 tonnes released annually, about 6% are microscale particles and 0.3% are nanoscale, and concluded that reducing overall vehicle mileage would be the most effective way to cut these emissions.
Projecting airborne tire wear particle emissions in the United States in the era of electric vehicles.
Researchers projected airborne tyre wear particle (TWP) emissions in the United States over 2024-2044 using the Motor Vehicle Emission Simulator (MOVES), finding that the transition to electric vehicles will alter TWP emission profiles given differences in vehicle mass and regenerative braking behavior.
Preparation and Characterization of Model Tire–Road Wear Particles
Researchers developed a laboratory method to prepare model tire-road wear particles (TRWPs) that mimic those found in the environment, combining tire tread wear particles (212-500 µm) with crushed granite mineral particles (20-38 µm) at a 1:10 weight ratio bonded with chloroform treatment. The resulting model TRWPs closely replicated the morphology of real-world TRWPs and were characterized for use as reference materials in environmental contamination studies.
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.