Hyung-Wook Choi

Works (5)

Updated: July 5th, 2023 15:49

2012 journal article

Portable Emission Measurement System for Emissions of Passenger Rail Locomotives

TRANSPORTATION RESEARCH RECORD, (2289), 56–63.

By: H. Frey  n, H. Choi n & K. Kim n

Contributors: H. Frey  n

Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

In-Use Measurement of Activity, Energy Use, and Emissions of a Plug-in Hybrid Electric Vehicle

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 45(20), 9044–9051.

By: B. Graver n, H. Frey  n & H. Choi n

Contributors: B. Graver n

MeSH headings : Air Pollutants / analysis; Electric Power Supplies; Electricity; Environmental Monitoring; Gasoline; Vehicle Emissions / analysis
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2010 journal article

Estimating Diesel Vehicle Emission Factors at Constant and High Speeds for Short Road Segments

TRANSPORTATION RESEARCH RECORD, (2158), 19–27.

By: H. Choi n & H. Frey  n

Contributors: H. Choi n

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UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2010 journal article

Method for in-use measurement and evaluation of the activity, fuel use, electricity use, and emissions of a plug-in hybrid diesel-electric school bus

Environmental Science and Technology, 44(9), 3601–3607.

By: H. Choi n & H. Frey  n

Contributors: H. Choi n

MeSH headings : Air Pollutants / analysis; Automobile Driving; Electricity; Environmental Monitoring / methods; Gasoline / analysis; Humans; Motor Vehicles; Transportation; Vehicle Emissions / analysis
TL;DR: The coupled VSP-MAP modeling approach enables assessment of a wide variety of driving conditions and comparisons of vehicles with different propulsion technologies. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

Light duty gasoline vehicle emission factors at high transient and constant speeds for short road segments

TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 14(8), 610–614.

By: H. Choi n & H. Frey  n

Contributors: H. Choi n & H. Christopher Frey  n

author keywords: Speed correction factor; Segment emissions; Near-roadway; Air quality study
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

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