H. Frey

发表

PRAISE-HK: A personalized real-time air quality informatics system for citizen participation in exposure and health risk management

T. Wong, H. Lo, W. Che, 2020 .

Link-Based Emission Factors for Heavy-Duty Diesel Trucks Based on Real-World Data

Haibo Zhai, H. Christopher Frey, Nagui M. Rouphail, 2008 .

Development of a modal emissions model for a hybrid electric vehicle

Haibo Zhai, H. Christopher Frey, Nagui M. Rouphail, 2011 .

Quantification of Highway Vehicle Emissions Hot Spots Based upon On-Board Measurements

H. Frey, N. Rouphail, A. Unal, 2004, Journal of the Air & Waste Management Association.

Effect of Light Duty Vehicle Performance on a Driving Style Metric

H. Christopher Frey, Nagui M. Rouphail, Shams Tanvir, 2018, Transportation Research Record: Journal of the Transportation Research Board.

Fuel use and emissions comparisons for alternative routes, time of day, road grade, and vehicles based on in-use measurements.

H. Frey, N. Rouphail, Kaishan Zhang, 2008, Environmental science & technology.

Road grade quantification based on global positioning system data obtained from real-world vehicle fuel use and emissions measurements

Behdad Yazdani Boroujeni, H. Frey, Behdad Yazdani Boroujeni, 2014 .

Application of AIMSUN Microsimulation Model to Estimate Emissions on Signalized Arterial Corridors

H. Frey, N. Rouphail, Abseen R Anya, 2014 .

Effects of Errors on Vehicle Emission Rates from Portable Emissions Measurement Systems

H. Frey, G. S. Sandhu, 2013 .

H. Christopher Frey, Alper Unal, H. Frey, 2002 .

Factors affecting variability in fossil-fueled transit bus emission rates

H. Frey, Tongchuan Wei, 2020 .

Speed- and Facility-Specific Emission Estimates for On-Road Light-Duty Vehicles on the Basis of Real-World Speed Profiles

H. Frey, N. Rouphail, Haibo Zhai, 2006 .

Variability in Light-Duty Gasoline Vehicle Emission Factors from Trip-Based Real-World Measurements.

H. Frey, Bin Liu, H. Christopher Frey, 2015, Environmental science & technology.

Trends in onroad transportation energy and emissions

H. Frey, Phyllis J. Futrell, H. Christopher Frey, 2018, Journal of the Air & Waste Management Association.

In-use measurement of the activity, fuel use, and emissions of front-loader refuse trucks

H. Frey, S. Bartelt-Hunt, E. Jones, 2014 .

Evaluation and Recommendation of a Modal Method for Modeling Vehicle Emissions

H. Frey, A. Unal, Jian-Jia Chen, 2003 .

Real-world fuel use and gaseous emission rates for flex fuel vehicles operated on E85 versus gasoline

H. Frey, Christopher Frey, Maryam Delavarrafiee, 2018, Journal of the Air & Waste Management Association.

Characterizing, simulating, and analyzing variability and uncertainty: An illustration of methods using an air toxics emissions example

H. Frey, D. S. Rhodes, D. Rhodes, 1996 .

Use of On-Board Tailpipe Emissions Measurements for Development of Mobile Source Emission Factors

H. Frey, A. Unal, 2002 .

Dynamics of coarse and fine particle exposure in transport microenvironments

Vikas Julius Ganesh, H. Frey, Prashant Kumar, 2018, npj Climate and Atmospheric Science.

Variability in Measured Real-World Operational Energy Use and Emission Rates of a Plug-In Hybrid Electric Vehicle

H. Frey, Xiao-Wei Zheng, Jiangchuan Hu, 2020, Energies.

Characterizing Variability and Uncertainty in Exposure Assessments Improves Links to Environmental Decision-Making.

H Christopher Frey, Bryan Hubbell, B. Hubbell, 2008, EM.

Review and Recommendation of Methods for Sensitivity and Uncertainty Analysis for the Stochastic Human Exposure and Dose Simulation (SHEDS) Models

H. Christopher Frey, Amirhossein Mokhtari, H. Frey, 2005 .

Separating Variability and Uncertainty in Exposure Assessment: Motivations and Method

H. Christopher Frey, H. Frey, 1993 .

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

H. Christopher Frey, Hyung-Wook Choi, H. Frey, 2010 .

Coal blending optimization under uncertainty

H. Christopher Frey, Jhih-Shyang Shih, H. Frey, 1995 .

Modeling and assessment of advanced processes for integrated environmental control of coal-fired power plants. Final report

Edward S. Rubin, C. N. Bloyd, H. C. Frey, 1986 .

Modeling of integrated environmental control systems for coal-fired power plants

Edward S. Rubin, Michael B. Berkenpas, H. C. Frey, 1988 .

Development of Probabilistic Emission Inventories of Air Toxics for Jacksonville, Florida

H. Frey, Yuchao Zhao, H. C. Frey, 2004, Journal of the Air & Waste Management Association.

Assessment of uncertainty in benzene concentration estimates in the Houston, TX, area

H. Frey, A. Hanna, V. Isakov, 2004 .

Methods and Example for Development of a Probabilistic Per-Capita Emission Factor for VOC Emissions from Consumer / Commercial Product Use

H. Frey, Song Li, 2002 .

Road Grade Measurement Using In-Vehicle, Stand-Alone GPS with Barometric Altimeter

H. Christopher Frey, Gurdas S. Sandhu, Behdad Yazdani Boroujeni, 2013 .

Factors affecting variability in gaseous and particle microenvironmental air pollutant concentrations in hong kong primary and secondary schools.

W. Che, H. Frey, Tilman Leo Hohenberger, 2020, Indoor air.

Integrated Environmental Assessment, Part I Estimating Emissions

Mitchell J. Small, H. Christopher Frey, H. Frey, 2003 .

Sequential Measurement of Intermodal Variability in Public Transportation PM2.5 and CO Exposure Concentrations.

W. Che, H. Frey, A. Lau, 2016, Environmental science & technology.

Comparison of sources of variability in school age children exposure to ambient PM₂.₅.

W. Che, H. Frey, A. Lau, 2015, Environmental science & technology.

Assessment of inter-individual, geographic, and seasonal variability in estimated human exposure to fine particles.

H. Frey, Wan Jiao, Ye Cao, 2012, Environmental science & technology.

Geographic differences in inter-individual variability of human exposure to fine particulate matter.

H. Frey, Ye Cao, Christopher Frey, 2011, Atmospheric environment.

Comparing exposure metrics for the effects of fine particulate matter on emergency hospital admissions

M. Fuentes, F. Dominici, B. Reich, 2013, Journal of Exposure Science and Environmental Epidemiology.

Methods and Example Case Study for Analysis of Variability and Uncertainty in Emissions Estimation (AUVEE)

H. Frey, 2001 .

Effect of Air-Conditioning on Light Duty Gasoline Vehicles Fuel Economy

H. Frey, Tanzila Khan, 2019, Transportation Research Record: Journal of the Transportation Research Board.

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

H. Frey, Tongchuan Wei, 2020 .

Modeling of Human Exposure to In-Vehicle PM2.5 from Environmental Tobacco Smoke

H. Frey, Ye Cao, 2012, Human and ecological risk assessment : HERA.

Quantification of Variability and Uncertainty for Selected Nonroad Mobile Source Emission Factors

H. Frey, Sachin Bammi, 2002 .

Uncertainty for Data with Non-Detects: Air Toxic Emissions from Combustion

H. Frey, Yuchao Zhao, 2006 .

Development of a Software Module for Statistical Analysis of Variability and Uncertainty 2002-Abstract # 42158

H. Frey, Junyu Zheng, 2002 .

Evaluate uncertainties in advanced process technologies

Edward S. Rubin, H. Christopher Frey, E. Rubin, 1992 .

Probabilistic Modeling and Optimization of Clean Coal Technologies: Case Studies of the Externally-Fired Combined Cycle (EFCC) System

H. Frey, P. Agarwal, 1996 .

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

H. Christopher Frey, Hyung-Wook Choi, H. Frey, 2009 .

Quantification of Variability and Uncertainty in Hourly NOx Emissions from Coal-Fired Power Plants

H. Frey, A. Abdel-Aziz, 2002 .

Implementation Requirements for the Development of a Sensitivity / Uncertainty Analysis Tool for MIMS DRAFT FINAL REPORT

H. Frey, D. Loughlin, Christopher Frey, 2003 .

Time series analysis of personal exposure to ambient air pollution and mortality using an exposure simulator

Howard H. Chang, M. Fuentes, H. Frey, 2012, Journal of Exposure Science and Environmental Epidemiology.

O-153: Time Series Analysis of Personal Exposure to Ambient Air Pollution and Mortality Using an Exposure Simulator

Howard H. Chang, H. Frey, M. Fuentes, 2012 .

TRB 08-1311 Link-Based Emission Factors for Heavy-Duty Diesel Trucks Based on Real-World Data

H. Frey, 2008 .

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

H. Frey, Tongchuan Wei, 2022, Atmospheric Environment.

REAL-WORLD MEASUREMENT AND EVALUATION OF HEAVY DUTY TRUCK 2 DUTY CYCLES, FUELS, AND EMISSION CONTROL TECHNOLOGIES

H. Frey, G. S. Sandhu, 2012 .

Trends in on-road transportation, energy, and emissions

H. Frey, J. Chow, J. Watson, 2018, Journal of the Air & Waste Management Association.

Methods for Characterizing Variability and Uncertainty: Comparison of Bootstrap Simulation and Likelihood-Based Approaches

H. Frey, D. Burmaster, 1999 .

Probabilistic Performance , Environmental , and Economic Evaluation of an Advanced Coal Gasification System

H. Frey, 1998 .

The Need for a Tighter Particulate-Matter Air-Quality Standard.

D. Dockery, H. Frey, J. Chow, 2020, The New England journal of medicine.

Assessment of the Effect of Population and Diary Sampling Methods on Estimation of School‐Age Children Exposure to Fine Particles

W. Che, H. Frey, A. K. Lau, 2014, Risk analysis : an official publication of the Society for Risk Analysis.

Methods for Quantitative Analysis of Variability and Uncertainty in Hazardous Air Pollutant Emissions

H. Frey, 1998 .

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

H. Frey, Tongchuan Wei, Weichang Yuan, 2022, Transportation Research Part D: Transport and Environment.

Summary Minutes of the U.S. Environmental Protection Agency (EPA) Science Advisory Board (SAB) Staff Office Clean Air Scientific Advisory Committee (CASAC) Oxides of Nitrogen Primary NAAQS Review Panel

J. Crapo, F. Speizer, E. Cowling, 2008 .

Effect of Biodiesel Fuels on Real-World Emissions of Passenger Locomotives.

Brandon M. Graver, H. Frey, Jiangchuan Hu, 2016, Environmental science & technology.

Quantification of Uncertainty and Variability for Censored Data Sets in Air Toxics

H. Frey, Yuchao Zhao, 2002 .

Comparison of Fine Particulate Matter and Carbon

H. Frey, Wan Jiao, 2014 .

Quantitative Analysis of Variability and Uncertainty in Emissions Estimation

H. Christopher Frey, Ranjit Bharvirkar, Junyu Zheng, 1999 .

Method for Development of Probabilistic Emission Inventories: Example Case Study for Utility NOx Emissions

H. Frey, Junyu Zheng, 2002 .

Probabilistic Techniques in Exposure Assessment

H. Christopher Frey, Alison C. Cullen, H. Frey, 2016 .

Probabilistic exposure analysis for chemical risk characterization.

H Christopher Frey, Alison C Cullen, Paul S Price, 2009, Toxicological sciences : an official journal of the Society of Toxicology.

Methods for Characterizing Variability and Uncertainty: Comparison of Bootstrap Simulation and Likelihood‐Based Approaches

H. Christopher Frey, David E. Burmaster, H. Frey, 1999 .

Probabilistic Techniques in Exposure Assessment: A Handbook for Dealing with Variability and Uncertainty in Models and Inputs

H. Christopher Frey, Alison C. Cullen, H. Frey, 1999 .

Distribution Development for Probabilistic Exposure Assessment

H. Christopher Frey, Alison C. Cullen, H. Frey, 1995 .

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

D. L. Miller, H. Frey, Tongchuan Wei, 2019, Fuel.

Evaluation of the Modeling of Exposure to Environmental Tobacco Smoke (ETS) in the SHEDS-PM Model.

H. Frey, Xiaozhen Liu, Ye Cao, 2009, Annual meeting & exhibition proceedings CD-ROM. Air & Waste Management Association. Meeting.

Indoor Exposure to Ambient Particles and Its Estimation Using Fixed Site Monitors.

W. Che, H. Frey, Zhiyuan Li, 2018, Environmental science & technology.

Assessing methods for comparing emissions from gasoline and diesel light-duty vehicles based on microscale measurements

Margarida C. Coelho, Haibo Zhai, H. Christopher Frey, 2009 .

Analysis of coupled model uncertainties in source-to-dose modeling of human exposures to ambient air pollution: A PM(2.5) case study.

H Christopher Frey, H. Frey, J. Burke, 2009, Atmospheric environment.

Combined effects of increased O3 and reduced NO2 concentrations on short-term air pollution health risks in Hong Kong.

H. Frey, A. Lau, P. Louie, 2020, Environmental pollution.

Assessment of Interindividual and Geographic Variability in Human Exposure to Fine Particulate Matter in Environmental Tobacco Smoke

H Christopher Frey, H. Frey, Ye Cao, 2011, Risk analysis : an official publication of the Society for Risk Analysis.

Quantitative Analysis of Variability and Uncertainty in Emission Estimation: An Illustration of Methods Using Mixture Distributions

H. Christopher Frey, Junyu Zheng, H. Frey, 2001 .

Quantitative Analysis of Variability and Uncertainty in Environmental Data and Models. Volume 1. Theory and Methodology Based Upon Bootstrap Simulation

H. Christopher Frey, David S. Rhodes, H. Frey, 1999 .

HOT SPOT ANALYSIS OF REAL WORLD VEHICLE EMISSIONS BASED UPON A PORTABLE ON-BOARD MEASUREMENT SYSTEM

H. Christopher Frey, Nagui M. Rouphail, Alper Unal, 2001 .

A review of factors impacting exposure to PM2.5, ultrafine particles and black carbon in Asian transport microenvironments

H. Christopher Frey, Prashant Kumar, Allison P. Patton, 2018, Atmospheric Environment.

Evaluation of Selected Sensitivity Analysis Methods Based Upon Applications to Two Food Safety Process Risk Models

H. Christopher Frey, Amirhossein Mokhtari, Tanwir Danish, 2003 .

Trends in Transportation Greenhouse Gas Emissions

H. Frey, 2020 .

Integrating a simplified emission estimation model and mesoscopic dynamic traffic simulator to efficiently evaluate emission impacts of traffic management strategies

H. Christopher Frey, Bin Liu, Nagui M. Rouphail, 2015 .

Comparison of Real-World Fuel use and Emissions for Dump Trucks Fueled with B20 Biodiesel versus Petroleum Diesel

H. Christopher Frey, Kangwook Kim, Kangwook Kim, 2006 .

EMISSIONS REDUCTION THROUGH BETTER TRAFFIC MANAGEMENT: AN EMPIRICAL EVALUATION BASED UPON ON-ROAD MEASUREMENTS

Nagui M. Rouphail, H C Frey, Alper Unal, 2001 .

Evaluation and recommendation of sensitivity analysis methods for application to Stochastic Human Exposure and Dose Simulation models

Amirhossein Mokhtari, H Christopher Frey, Junyu Zheng, 2006, Journal of Exposure Science and Environmental Epidemiology.

H. Christopher Frey, Amirhossein Mokhtari, Junyu Zheng, 2004 .

Comparison of Sensitivity Analysis Methods Based on Applications to a Food Safety Risk Assessment Model

H Christopher Frey, Sumeet R Patil, H. Frey, 2004, Risk analysis : an official publication of the Society for Risk Analysis.

Quantitative Analysis of Uncertainty and Variability in Environmental Policy Making

H. Christopher Frey, H. Frey, 1992 .

Dose–Response Models are Conditional on Determination of Causality

H Christopher Frey, H. Frey, 2016, Risk analysis : an official publication of the Society for Risk Analysis.

Road Grade Estimation for On-Road Vehicle Emissions Modeling Using Light Detection and Ranging Data

H Christopher Frey, Kaishan Zhang, H. Frey, 2006, Journal of the Air & Waste Management Association.

On-Road Measurement of Vehicle Tailpipe Emissions Using a Portable Instrument

H Christopher Frey, Nagui M Rouphail, Alper Unal, 2003, Journal of the Air & Waste Management Association.

Characterization of PM2.5 exposure concentration in transport microenvironments using portable monitors.

H Christopher Frey, Changqing Lin, Alexis K H Lau, 2017, Environmental pollution.

Modeling uncertainties in advanced technologies: Application to a coal gasification system with hot-gas cleanup

Edward S. Rubin, Urmila M. Diwekar, H. Christopher Frey, 1994 .

Contribution of Cold Starts to Real-World Trip Emissions for Light-Duty Gasoline Vehicles

Behdad Yazdani Boroujeni, H. Frey, Jiangchuan Hu, 2022, Atmosphere.

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

H. Frey, Tongchuan Wei, 2021, Journal of the Air & Waste Management Association.

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

H. Frey, Tongchuan Wei, Tanzila Khan, 2020, Environmental science & technology.

Comparison of real-world and certification emission rates for light duty gasoline vehicles.

H Christopher Frey, Tanzila Khan, H. Frey, 2018, The Science of the total environment.

Uncertainty Analysis of Integrated Gasification Combined Cycle Systems Based on Frame 7H versus 7F Gas Turbines

H Christopher Frey, Yunhua Zhu, H. Frey, 2006, Journal of the Air & Waste Management Association.

Evaluation of Light-Duty Gasoline Vehicle Rated Fuel Economy Based on In-Use Measurements

H. Christopher Frey, Tanzila Khan, H. Frey, 2016 .

Factors affecting variability in infiltration of ambient particle and gaseous pollutants into home at urban environment

W. Che, H. Frey, Md Shakhaoat Hossain, 2021, Building and Environment.

Development of hourly probabilistic utility NOx emission inventories using time series techniques: Part II—multivariate approach

H. Christopher Frey, H. Frey, Amr Abdel-Aziz, 2003 .

Multi-scale evaluation of diesel commuter rail fuel use, emissions, and eco-driving

H. Frey, Weichang Yuan, 2021 .

Development and Evaluation of Simplified Version of MOVES for Coupling with Traffic Simulation Model

H Christopher Frey, Bin Liu, H. Frey, 2013 .

Effect of Arterial Signalization and Level of Service on Measured Vehicle Emissions

Nagui M. Rouphail, H C Frey, Alper Unal, 2003 .

Modeling of the Penetration of Ambient PM2.5 to Indoor Residential Microenvironment

H. Frey, Xiaozhen Liu, Ye Cao, 2009 .

Air Emission Inventories in North America: A Critical Assessment

David Parrish, H Christopher Frey, Charles E Kolb, 2006, Journal of the Air & Waste Management Association.

Comparison of Flexible Fuel Vehicle and Life-Cycle Fuel Consumption and Emissions of Selected Pollutants and Greenhouse Gases for Ethanol 85 Versus Gasoline

Haibo Zhai, H Christopher Frey, Nagui M Rouphail, 2009, Journal of the Air & Waste Management Association.

Estimating In-Vehicle Concentration of and Exposure to Fine Particulate Matter

H. Frey, Xiaozhen Liu, Ye Cao, 2010 .

IECM. Integrated Environmental Control Model

Edward S. Rubin, Michael B. Berkenpas, H. C. Frey, 1999 .

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.

H Christopher Frey, Hyung-Wook Choi, H. Frey, 2010, Environmental science & technology.

A vehicle-specific power approach to speed- and facility-specific emissions estimates for diesel transit buses.

Haibo Zhai, H Christopher Frey, Nagui M Rouphail, 2008, Environmental science & technology.

Quantification of variability and uncertainty for air toxic emission inventories with censored emission factor data.

H. Frey, Yuchao Zhao, 2004, Environmental science & technology.

Uncertainties in predicted ozone concentrations due to input uncertainties for the UAM-V photochemical grid model applied to the July 1995 OTAG domain

H. Christopher Frey, Saravanan Arunachalam, Steven R. Hanna, 2001 .

Methods for Quantifying Variability and Uncertainty in AP-42 Emission Factors: Case Studies for Natural Gas-Fueled Engines

H Christopher Frey, Song Li, H. Frey, 2003, Journal of the Air & Waste Management Association.

Modeling of In-vehicle PM(2.5) Exposure Using the Stochastic Human Exposure and Dose Simulation Model.

H. Frey, Xiaozhen Liu, Ye Cao, 2009, Annual meeting & exhibition proceedings CD-ROM. Air & Waste Management Association. Meeting.

Quantification of Variability and Uncertainty in Lawn and Garden Equipment NOx and Total Hydrocarbon Emission Factors

H Christopher Frey, Sachin Bammi, H. Frey, 2002, Journal of the Air & Waste Management Association.

Real-World Freeway and Ramp Activity and Emissions for Light-Duty Gasoline Vehicles

H. Christopher Frey, Maryam Delavarrafiee, Sanjam Singh, 2017 .

Comparing real-world fuel consumption for diesel- and hydrogen-fueled transit buses and implication for emissions

Haibo Zhai, H. Christopher Frey, Nagui M. Rouphail, 2007 .

Second-order modeling of variability and uncertainty in microbial hazard characterization.

H Christopher Frey, Amirhossein Mokhtari, Peter Cowen, 2007, Journal of food protection.

Design , Application , and Recommendations for Including Inventory Uncertainties in Emission Inventory Preparation for Modeling

H. Frey, M. Houyoux, D. Loughlin, 2003 .

Air Pollution at College Football Games: Developing a Methodology for Measuring Air Pollutant Exposure in a Sport Event Microenvironment

Kyle S. Bunds, Jonathan M. Casper, H. Frey, 2019, Event Management.

A Risk-based Assessment And Management Framework For Multipollutant Air Quality.

H Christopher Frey, Bryan Hubbell, B. Hubbell, 2009, Annual meeting & exhibition proceedings CD-ROM. Air & Waste Management Association. Meeting.

Comparison of Fine Particulate Matter and Carbon Monoxide Exposure Concentrations for Selected Transportation Modes

H. Christopher Frey, Wan Jiao, H. Frey, 2014 .

Vehicle-specific emissions modeling based upon on-road measurements.

H Christopher Frey, Nagui M Rouphail, Kaishan Zhang, 2010, Environmental science & technology.

Evaluation of numerical models for simulation of real-world hot-stabilized fuel consumption and emissions of gasoline light-duty vehicles

H. Christopher Frey, Nagui M. Rouphail, Carla Silva, 2006 .

Sensitivity Analysis of a Two‐Dimensional Probabilistic Risk Assessment Model Using Analysis of Variance

H Christopher Frey, Amirhossein Mokhtari, H. Frey, 2005, Risk analysis : an official publication of the Society for Risk Analysis.

Quantification of Variability and Uncertainty in Air Pollutant Emission Inventories: Method and Case Study for Utility NOx Emissions

H. Christopher Frey, Junyu Zheng, H. Frey, 2002, Journal of the Air & Waste Management Association.

Real-world activity, fuel use, and emissions of heavy-duty compressed natural gas refuse trucks.

H. Frey, S. Bartelt-Hunt, E. Jones, 2020, The Science of the total environment.

Real-world activity, fuel use, and emissions of diesel side-loader refuse trucks

H. Christopher Frey, Shannon L. Bartelt-Hunt, Elizabeth G. Jones, 2016 .

Optimal design of advanced power systems under uncertainty

Edward S. Rubin, Urmila M. Diwekar, H. Christopher Frey, 1997 .

Real-World In-Use Activity, Fuel Use, and Emissions for Nonroad Construction Vehicles: A Case Study for Excavators

H Christopher Frey, William Rasdorf, Kangwook Kim, 2008, Journal of the Air & Waste Management Association.

Comparison of Vehicle-Specific Fuel Use and Emissions Models Based on Externally and Internally Observable Activity Data

H. Christopher Frey, Scott S. Washburn, Jiangchuan Hu, 2016 .

Development and Use of Emissions Inventories for Construction Vehicles

H. Christopher Frey, William Rasdorf, Phil Lewis, 2009 .

Quantification of Variability and Uncertainty for Censored Data Sets and Application to Air Toxic Emission Factors

H Christopher Frey, Yuchao Zhao, H. Frey, 2004, Risk analysis : an official publication of the Society for Risk Analysis.

Integrated gasification combined cycle (IGCC) systems

H. C. Frey, Y. Zhu, H. Frey, 2012 .

Technical Documentation: Integrated Gasification Combined Cycle Systems (IGCC) with Carbon Capture and Storage (CCS)

Edward S. Rubin, Michael B. Berkenpas, Sean T. McCoy, 2007 .

Requirements and Incentives for Reducing Construction Vehicle Emissions and Comparison of Nonroad Diesel Engine Emissions Data Sources

H. Christopher Frey, William Rasdorf, Kangwook Kim, 2009 .

Synthesizing optimal flowsheets; Applications to IGCC system environmental control

Edward S. Rubin, Urmila M. Diwekar, H. Christopher Frey, 1992 .

Potential for metro rail energy savings and emissions reduction via eco-driving

H. Christopher Frey, Weichang Yuan, H. Frey, 2020, Applied Energy.

Modeling Of In-Vehicle Human Exposure to Ambient Fine Particulate Matter.

H. Frey, Xiaozhen Liu, 2011, Atmospheric environment.

Assessment of Interindividual and Geographic Variability in Human Exposure to Fine Particulate Matter in Environmental Tobacco Smoke

H. Frey, Ye Cao, 2011, Risk analysis : an official publication of the Society for Risk Analysis.

Introduction to Special Section on Sensitivity Analysis and Summary of NCSU/USDA Workshop on Sensitivity Analysis

H Christopher Frey, H. Frey, 2002, Risk analysis : an official publication of the Society for Risk Analysis.

Comprehensive Field Study of Fuel Use and Emissions of Nonroad Diesel Construction Equipment

H. Christopher Frey, William Rasdorf, Phil Lewis, 2010 .

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

H. Frey, Tongchuan Wei, Nikhil Rastogi, 2023, The Science of the total environment.

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

H. Frey, H. Rakha, Tongchuan Wei, 2023, Energies.

Quantification of Energy Saving Potential for A Passenger Train Based on Inter-Run Variability in Speed Trajectories

H. Christopher Frey, Weichang Yuan, Nikhil Rastogi, 2019, Transportation Research Record: Journal of the Transportation Research Board.

Highway Vehicle Emissions Avoided by Diesel Passenger Rail Service Based on Real-World Data

H. Christopher Frey, Brandon M. Graver, H. Frey, 2016 .

Probabilistic Nonroad Mobile Source Emission Factors

H. Christopher Frey, Sachin Bammi, H. Frey, 2003 .

Quantification of Variability and Uncertainty in Emission Inventories: A Prototype Software Tool with Application to Utility NO x Emissions

H. Christopher Frey, Junyu Zheng, H. Frey, 2001 .

Characterization and Simulation of Uncertain Frequency Distributions: Effects of Distribution Choice, Variability, Uncertainty, and Parameter Dependence

H. Christopher Frey, David S. Rhodes, H. Frey, 1998 .

Remote sensing of mobile source air pollutant emissions: Variability and uncertainty in on-road emissions estimates of carbon monoxide and hydrocarbons for school and transit buses. Final report, 1 July 1995-31 December 1996

H. C. Frey, D. A. Eichenberger, H. Frey, 1997 .

Real-World Energy Use and Emission Rates for Idling Long-Haul Trucks and Selected Idle Reduction Technologies

H. Christopher Frey, Po-Yao Kuo, H. Frey, 2009 .

Integration of coal utilization and environmental control in integrated gasification combined cycle systems

Edward S. Rubin, H. Christopher Frey, E. Rubin, 1992 .

Modeling of integrated environmental control systems for coal-fired power plants. Final report

Edward S. Rubin, Michael B. Berkenpas, H. C. Frey, 1991 .

Application of classification and regression trees for sensitivity analysis of the Escherichia coli O157:H7 food safety process risk model.

H Christopher Frey, Amirhossein Mokhtari, Lee-Ann Jaykus, 2006, Journal of food protection.

Desktop Modeling of the Performance, Emissions, and Cost of Gasification Systems

H. Christopher Frey, Ranjit Bharvirkar, H. Frey, 1998 .

Quantification of Hourly Variability in NOx Emissions for Baseload Coal-Fired Power Plants

H Christopher Frey, H. Frey, Amr Abdel-Aziz, 2003, Journal of the Air & Waste Management Association.

Probabilistic Evaluation of Advanced SO2/NOx Control Technology

Edward S. Rubin, H. C. Frey, E. Rubin, 1991 .