Tongchuan Wei

Works (9)

Updated: March 4th, 2026 12:30

2023 journal article

Identifying emissions hotspots and strategies to reduce real-world fuel use and emissions for passenger rail: A spatially resolved approach

Science of The Total Environment, 896, 165110.

By: N. Rastogi, H. Frey n  & T. Wei n 

Contributors: N. Rastogi, H. Frey n  & T. Wei n 

author keywords: Emission hotspots; Locomotive power demand; Passenger train; Spatial variability
topics (OpenAlex): Vehicle emissions and performance; Transportation Planning and Optimization; Air Quality and Health Impacts
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: December 18, 2023

2023 journal article

Simple Diesel Train Fuel Consumption Model for Real-Time Train Applications

Energies, 16(8), 3555.

By: K. Ahn *, A. Aredah *, H. Rakha *, T. Wei n  & H. Frey n 

Contributors: K. Ahn *, A. Aredah *, H. Rakha *, T. Wei n  & H. Frey n 

author keywords: diesel train; energy consumption model; train simulation
topics (OpenAlex): Railway Systems and Energy Efficiency; Transportation Planning and Optimization; Vehicle emissions and performance
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: April 21, 2023

2022 journal article

Fuel use and emission rates reduction potential for light-duty gasoline vehicle eco-driving

Transportation Research Part D: Transport and Environment, 109, 103394.

By: W. Yuan* , H. Frey n  & T. Wei n 

Contributors: W. Yuan* , H. Frey n  & T. Wei n 

author keywords: Driving strategy; Fuel consumption; Air pollution; Tailpipe exhaust; Emission hotspot; Autonomous vehicle
topics (OpenAlex): Vehicle emissions and performance; Air Quality and Health Impacts; Energy, Environment, and Transportation Policies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 15, 2022

2022 journal article

Intermodal comparison of tailpipe emission rates between transit buses and private vehicles for on-road passenger transport

Atmospheric Environment, 281, 119141.

By: T. Wei n  & H. Frey n 

Contributors: T. Wei n  & H. Frey n 

author keywords: Transit bus; Private vehicle; Emissions; Passenger load; Carbon dioxide
topics (OpenAlex): Vehicle emissions and performance; Air Quality and Health Impacts; Transportation Planning and Optimization
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: June 20, 2022

2021 journal article

Sensitivity of light duty vehicle tailpipe emission rates from simplified portable emission measurement systems to variation in engine volumetric efficiency

Journal of the Air & Waste Management Association, 71(9), 1127–1147.

By: T. Wei n  & H. Frey n 

Contributors: T. Wei n  & H. Frey n 

MeSH headings : Air Pollutants / analysis; Gasoline / analysis; Motor Vehicles; Vehicle Emissions / analysis
topics (OpenAlex): Vehicle emissions and performance; Air Quality and Health Impacts; Advanced Combustion Engine Technologies
TL;DR: Methods demonstrated here for estimating VE enable accurate quantification of emission rates, thereby enabling use of these PEMS for policy-relevant applications such as technology assessments, trends analysis, and emissions inventories. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: May 6, 2021

2020 journal article

Evaluation of the Precision and Accuracy of Cycle-Average Light Duty Gasoline Vehicles Tailpipe Emission Rates Predicted by Modal Models

Transportation Research Record: Journal of the Transportation Research Board, 2674(7), 566–584.

By: T. Wei n  & H. Frey n 

Contributors: T. Wei n  & H. Frey n 

topics (OpenAlex): Vehicle emissions and performance; Air Quality and Health Impacts; Transportation Planning and Optimization
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: July 20, 2020

2020 journal article

Factors affecting variability in fossil-fueled transit bus emission rates

Atmospheric Environment, 233, 117613.

By: T. Wei n  & H. Frey n 

Contributors: T. Wei n  & H. Frey n 

author keywords: Transit bus; Exhaust emissions; Bus size; Passenger load
topics (OpenAlex): Vehicle emissions and performance; Air Quality and Health Impacts; Energy, Environment, and Transportation Policies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: June 29, 2020

2020 journal article

Geospatial Variation of Real-World Tailpipe Emission Rates for Light-Duty Gasoline Vehicles

Environmental Science & Technology, 54(14), 8968–8979.

By: T. Khan n , H. Frey n , N. Rastogi  n & T. Wei n 

Contributors: T. Khan n , H. Frey n , N. Rastogi  n & T. Wei n 

MeSH headings : Air Pollutants / analysis; Carbon Dioxide / analysis; Carbon Monoxide; Environmental Monitoring; Gasoline / analysis; Motor Vehicles; Nitrogen Oxides / analysis; Vehicle Emissions / analysis
topics (OpenAlex): Vehicle emissions and performance; Air Quality and Health Impacts; Energy, Environment, and Transportation Policies
TL;DR: Spatial variability in real-world on-road tailpipe light duty gasoline vehicle nitrogen oxides, hydrocarbon, carbon monoxide, and carbon dioxide emission rates, the locations of emissions hotspots, and factors that explain spatial variability are quantified. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: ORCID, Crossref, NC State University Libraries
Added: July 9, 2020

2019 article

Comparison of real-world vehicle fuel use and tailpipe emissions for gasoline-ethanol fuel blends

Yuan, W., Frey, H. C., Wei, T., Rastogi, N., VanderGriend, S., Miller, D., & Mattison, L. (2019, March 28). Fuel, Vol. 249, pp. 352–364.

By: W. Yuan n , H. Frey n , T. Wei n , N. Rastogi n, S. VanderGriend*, D. Miller *, L. Mattison*

Contributors: W. Yuan n , H. Frey n , T. Wei n , N. Rastogi n, S. VanderGriend*, D. Miller *, L. Mattison*

author keywords: Ethanol; Octane; Real-world driving; Portable emission measurement system; Exhaust emissions
topics (OpenAlex): Vehicle emissions and performance; Energy, Environment, and Transportation Policies; Air Quality and Health Impacts
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 6, 2019

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