| Probabilistic techniques in exposure assessment: a handbook for dealing with variability and uncertainty in models and inputs AC Cullen, HC Frey Springer Science & Business, 1999 | 1463 | 1999 |
| Identification and review of sensitivity analysis methods H Christopher Frey, SR Patil Risk analysis 22 (3), 553-578, 2002 | 1228 | 2002 |
| On-road measurement of vehicle tailpipe emissions using a portable instrument HC Frey, A Unal, NM Rouphail, JD Colyar Journal of the air & waste management association 53 (8), 992-1002, 2003 | 370 | 2003 |
| Fuel use and emissions comparisons for alternative routes, time of day, road grade, and vehicles based on in-use measurements HC Frey, K Zhang, NM Rouphail Environmental science & technology 42 (7), 2483-2489, 2008 | 297 | 2008 |
| Uncertainties in predicted ozone concentrations due to input uncertainties for the UAM-V photochemical grid model applied to the July 1995 OTAG domain SR Hanna, Z Lu, HC Frey, N Wheeler, J Vukovich, S Arunachalam, ... Atmospheric Environment 35 (5), 891-903, 2001 | 276 | 2001 |
| A vehicle-specific power approach to speed-and facility-specific emissions estimates for diesel transit buses H Zhai, HC Frey, NM Rouphail Environmental science & technology 42 (21), 7985-7991, 2008 | 251 | 2008 |
| Comparing real-world fuel consumption for diesel-and hydrogen-fueled transit buses and implication for emissions HC Frey, NM Rouphail, H Zhai, TL Farias, GA Gonçalves Transportation Research Part D: Transport and Environment 12 (4), 281-291, 2007 | 242 | 2007 |
| Methodology for developing modal emission rates for EPA’s multi-scale motor vehicle & equipment emission system HC Frey, A Unal, J Chen, S Li, C Xuan Ann Arbor, Michigan: US Environmental Protection Agency, 13, 2002 | 206 | 2002 |
| Real-world in-use activity, fuel use, and emissions for nonroad construction vehicles: a case study for excavators S Abolhasani, HC Frey, K Kim, W Rasdorf, P Lewis, SH Pang Journal of the Air & Waste Management Association 58 (8), 1033-1046, 2008 | 169 | 2008 |
| Assessing methods for comparing emissions from gasoline and diesel light-duty vehicles based on microscale measurements MC Coelho, HC Frey, NM Rouphail, H Zhai, L Pelkmans Transportation Research Part D: Transport and Environment 14 (2), 91-99, 2009 | 159 | 2009 |
| Coal blending optimization under uncertainty JS Shih, HC Frey European Journal of Operational Research 83 (3), 452-465, 1995 | 159 | 1995 |
| A review of factors impacting exposure to PM2. 5, ultrafine particles and black carbon in Asian transport microenvironments P Kumar, AP Patton, JL Durant, HC Frey Atmospheric Environment 187, 301-316, 2018 | 158 | 2018 |
| Comprehensive field study of fuel use and emissions of nonroad diesel construction equipment HC Frey, W Rasdorf, P Lewis Transportation Research Record 2158 (1), 69-76, 2010 | 158 | 2010 |
| Road grade estimation for on-road vehicle emissions modeling using light detection and ranging data K Zhang, HC Frey Journal of the Air & Waste Management Association 56 (6), 777-788, 2006 | 158 | 2006 |
| Road grade quantification based on global positioning system data obtained from real-world vehicle fuel use and emissions measurements BY Boroujeni, HC Frey Atmospheric Environment 85, 179-186, 2014 | 155 | 2014 |
| Quantitative analysis of uncertainty and variability in environmental policy making HC Frey Fellowship Program for Environmental Science and Engineering, American …, 1992 | 154 | 1992 |
| Speed-and facility-specific emission estimates for on-road light-duty vehicles on the basis of real-world speed profiles HC Frey, NM Rouphail, H Zhai Transportation Research Record 1987 (1), 128-137, 2006 | 147 | 2006 |
| Characterizing, simulating, and analyzing variability and uncertainty: an illustration of methods using an air toxics emissions example HC Frey, DS Rhodes Human and ecological risk assessment: an international journal 2 (4), 762-797, 1996 | 136 | 1996 |
| Trends in onroad transportation energy and emissions HC Frey Journal of the Air & Waste Management Association 68 (6), 514-563, 2018 | 135 | 2018 |
| Integrating a simplified emission estimation model and mesoscopic dynamic traffic simulator to efficiently evaluate emission impacts of traffic management strategies X Zhou, S Tanvir, H Lei, J Taylor, B Liu, NM Rouphail, HC Frey Transportation Research Part D: Transport and Environment 37, 123-136, 2015 | 133 | 2015 |
Nagui RouphailFormer Director, ITREVerified email at ncsu.edu
