| Year |
Citation |
Score |
| 2020 |
Che W, Li ATY, Frey HC, Tang KTJ, Sun L, Wei P, Hossain MS, Hohenberger TL, Leung KW, Lau AKH. Factors affecting variability in gaseous and particle microenvironmental air pollutant concentrations in hong kong primary and secondary schools. Indoor Air. PMID 32731301 DOI: 10.1111/ina.12725 |
0.393 |
|
| 2020 |
Khan T, Frey HC, Rastogi N, Wei T. Geospatial Variation of Real-World Tailpipe Emission Rates for Light Duty Gasoline Vehicles. Environmental Science & Technology. PMID 32584562 DOI: 10.1021/acs.est.0c00489 |
0.411 |
|
| 2020 |
Frey HC, Zheng X, Hu J. Variability in Measured Real-World Operational Energy Use and Emission Rates of a Plug-In Hybrid Electric Vehicle Energies. 13: 1140. DOI: 10.3390/en13051140 |
0.335 |
|
| 2020 |
Wei T, Frey HC. 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: 566-584. DOI: 10.1177/0361198120924006 |
0.435 |
|
| 2020 |
Che W, Frey HC, Fung JC, Ning Z, Qu H, Lo HK, Chen L, Wong T, Wong MK, Lee OC, Carruthers D, Cheung F, Chan JW, Yeung DW, Fung YH, et al. PRAISE-HK: A personalized real-time air quality informatics system for citizen participation in exposure and health risk management Sustainable Cities and Society. 54: 101986. DOI: 10.1016/J.Scs.2019.101986 |
0.422 |
|
| 2019 |
Delavarrafiee M, Frey HC. Real-world fuel use and gaseous emission rates for flex fuel vehicles operated on E85 versus gasoline. Journal of the Air & Waste Management Association (1995). 68: 235-254. PMID 29215964 DOI: 10.1080/10962247.2017.1405097 |
0.397 |
|
| 2018 |
Che W, Frey HC, Li Z, Lao X, Lau AKH. Indoor exposure to ambient particles and its estimation using fixed site monitors. Environmental Science & Technology. PMID 30398338 DOI: 10.1021/acs.est.8b04474 |
0.443 |
|
| 2017 |
Khan T, Frey HC. Comparison of real-world and certification emission rates for light duty gasoline vehicles. The Science of the Total Environment. 790-800. PMID 29223906 DOI: 10.1016/j.scitotenv.2017.10.286 |
0.414 |
|
| 2017 |
Li Z, Che W, Frey HC, Lau AKH, Lin C. Characterization of PM2.5 exposure concentration in transport microenvironments using portable monitors. Environmental Pollution (Barking, Essex : 1987). 228: 433-442. PMID 28558284 DOI: 10.1016/j.envpol.2017.05.039 |
0.432 |
|
| 2017 |
Frey HC, Delavarrafiee M, Singh S. Real-World Freeway and Ramp Activity and Emissions for Light-Duty Gasoline Vehicles Transportation Research Record: Journal of the Transportation Research Board. 2627: 17-25. DOI: 10.3141/2627-03 |
0.33 |
|
| 2016 |
Graver BM, Frey HC, Hu J. Effect of Biodiesel Fuels on Real-World Emissions of Passenger Locomotives. Environmental Science & Technology. PMID 27696830 DOI: 10.1021/acs.est.6b03567 |
0.398 |
|
| 2016 |
Che W, Frey HC, Lau AK. Sequential Measurement of Intermodal Variability in Public Transportation PM2.5 and CO Exposure Concentrations. Environmental Science & Technology. PMID 27182735 DOI: 10.1021/acs.est.6b01594 |
0.405 |
|
| 2016 |
Hu J, Frey HC, Washburn SS. Comparison of Vehicle-Specific Fuel Use and Emissions Models Based on Externally and Internally Observable Activity Data Transportation Research Record: Journal of the Transportation Research Board. 2570: 30-38. DOI: 10.3141/2570-04 |
0.393 |
|
| 2016 |
Khan T, Frey HC. Evaluation of light-duty gasoline vehicle rated fuel economy based on in-use measurements Transportation Research Record. 2570: 21-29. DOI: 10.3141/2570-03 |
0.388 |
|
| 2016 |
Sandhu GS, Frey HC, Bartelt-Hunt S, Jones E. Real-world activity, fuel use, and emissions of diesel side-loader refuse trucks Atmospheric Environment. 129: 98-104. DOI: 10.1016/j.atmosenv.2016.01.014 |
0.31 |
|
| 2016 |
Graver BM, Frey HC. Highway Vehicle Emissions Avoided by Diesel Passenger Rail Service Based on Real-World Data Urban Rail Transit. 2: 153-171. DOI: 10.1007/S40864-016-0044-Y |
0.325 |
|
| 2015 |
Graver BM, Frey HC. Comparison of Over-the-Rail and Rail Yard Measurements of Diesel Locomotives. Environmental Science & Technology. 49: 13031-9. PMID 26421758 DOI: 10.1021/acs.est.5b02497 |
0.341 |
|
| 2015 |
Liu B, Frey HC. Variability in Light-Duty Gasoline Vehicle Emission Factors from Trip-Based Real-World Measurements. Environmental Science & Technology. PMID 26401623 DOI: 10.1021/acs.est.5b00553 |
0.418 |
|
| 2015 |
Sandhu GS, Frey HC, Bartelt-Hunt S, Jones E. In-use activity, fuel use, and emissions of heavy-duty diesel roll-off refuse trucks. Journal of the Air & Waste Management Association (1995). 65: 306-23. PMID 25947127 DOI: 10.1080/10962247.2014.990587 |
0.423 |
|
| 2015 |
Che WW, Frey HC, Lau AK. Comparison of sources of variability in school age children exposure to ambient PM₂.₅. Environmental Science & Technology. 49: 1511-20. PMID 25560832 DOI: 10.1021/es506275c |
0.377 |
|
| 2015 |
Salamati K, Rouphail NM, Frey HC, Liu B, Schroeder BJ. Simplified method for comparing emissions in roundabouts and at signalized intersections Transportation Research Record. 2517: 48-60. DOI: 10.3141/2517-06 |
0.37 |
|
| 2015 |
Liu B, Frey HC. Measurement and Evaluation of Real-World Speed and Acceleration Activity Envelopes for Light-Duty Vehicles Transportation Research Record: Journal of the Transportation Research Board. 2503: 128-136. DOI: 10.3141/2503-14 |
0.368 |
|
| 2015 |
Zhou X, Tanvir S, Lei H, Taylor J, Liu B, Rouphail NM, Frey HC. Integrating a simplified emission estimation model and mesoscopic dynamic traffic simulator to efficiently evaluate emission impacts of traffic management strategies Transportation Research Part D: Transport and Environment. 37: 123-136. DOI: 10.1016/J.Trd.2015.04.013 |
0.404 |
|
| 2015 |
Frey HC. Clean Air Scientific Advisory Committee advice on the ozone standards Em: Air and Waste Management Association's Magazine For Environmental Managers. 65: 9-10. |
0.343 |
|
| 2015 |
Khan T, Frey HC. Illustrative comparison between rated and real-world fuel economy and emissions Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 3: 1623-1641. |
0.388 |
|
| 2015 |
Graver BM, Frey HC. Effect of engineer behavior on passenger locomotive fuel use and emissions Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 791-799. |
0.311 |
|
| 2015 |
Delavarrafiee M, Frey HC. Comparison of hybrid electric vehicle and conventional gasoline vehicle energy use and emissions based on real-world measurements Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 1298-1312. |
0.402 |
|
| 2015 |
Sandhu GS, Frey HC, Bartelt-Hunt S, Jones E. Comparison of real-world and MOVES estimated emissions for heavy-duty diesel refuse trucks Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 3: 1702-1711. |
0.403 |
|
| 2015 |
Frey HC, Graver BM, Hu J. Evaluation of the effect of biofuels on exhaust emissions of diesel locomotives Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 1199-1205. |
0.399 |
|
| 2014 |
Che WW, Frey HC, Lau AK. Assessment of the effect of population and diary sampling methods on estimation of school-age children exposure to fine particles. Risk Analysis : An Official Publication of the Society For Risk Analysis. 34: 2066-79. PMID 25082271 DOI: 10.1111/risa.12238 |
0.303 |
|
| 2014 |
Hu J, Frey HC, Sandhu GS, Graver BM, Bishop GA, Schuchmann BG, Ray JD. Method for modeling driving cycles, fuel use, and emissions for over snow vehicles. Environmental Science & Technology. 48: 8258-65. PMID 24945058 DOI: 10.1021/Es501164J |
0.394 |
|
| 2014 |
Anya A, Rouphail N, Frey H, Schroeder B. Application of AIMSUN microsimulation model to estimate emissions on signalized arterial corridors Transportation Research Record. 2428: 75-86. DOI: 10.3141/2428-09 |
0.406 |
|
| 2014 |
Yazdani Boroujeni B, Frey HC. Road grade quantification based on global positioning system data obtained from real-world vehicle fuel use and emissions measurements Atmospheric Environment. 85: 179-186. DOI: 10.1016/j.atmosenv.2013.12.025 |
0.352 |
|
| 2014 |
Liu B, Frey HC. Estimating sensitivity of onroad vehicle emission factors to emission standards based on in-use measurement data Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 1507-1514. |
0.431 |
|
| 2014 |
Delavarrafiee M, Zheng X, Frey HC, Weaver R. Comparison of fuel use and emissions for E85 versus gasoline fueled vehicles based on in-use measurements Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 1553-1560. |
0.329 |
|
| 2014 |
Gonçalves GA, Duarte GO, Frey HC. Effect of topography on fuel use and NOx emissions of hybrid and conventional vehicles Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 1: 567-572. |
0.365 |
|
| 2014 |
Che W, Frey HC, Lau AKH, Fung JCH. Geographic and seasonal variations in air exchange rate and their impacts on the estimation of children's exposure to ambient PM2.5 Indoor Air 2014 - 13th International Conference On Indoor Air Quality and Climate. 836-839. |
0.419 |
|
| 2013 |
Mannshardt E, Sucic K, Jiao W, Dominici F, Frey HC, Reich B, Fuentes M. Comparing exposure metrics for the effects of fine particulate matter on emergency hospital admissions. Journal of Exposure Science & Environmental Epidemiology. 23: 627-36. PMID 23942393 DOI: 10.1038/Jes.2013.39 |
0.453 |
|
| 2013 |
Salamati K, Coelho M, Fernandes P, Rouphail N, Frey H, Bandeira J. Emissions estimation at multilane roundabouts Transportation Research Record. 12-21. DOI: 10.3141/2389-02 |
0.445 |
|
| 2013 |
Jiao W, Frey H. Method for measuring the ratio of in-vehicle to near-vehicle exposure concentrations of airborne fine particles Transportation Research Record. 34-42. DOI: 10.3141/2341-04 |
0.388 |
|
| 2013 |
Sandhu GS, Frey HC. Effects of Errors on Vehicle Emission Rates from Portable Emissions Measurement Systems Transportation Research Record: Journal of the Transportation Research Board. 2340: 10-19. DOI: 10.3141/2340-02 |
0.324 |
|
| 2013 |
Abolhasani S, Frey HC. Engine and duty cycle variability in diesel construction equipment emissions Journal of Environmental Engineering (United States). 139: 261-268. DOI: 10.1061/(ASCE)EE.1943-7870.0000548 |
0.448 |
|
| 2012 |
Jiao W, Frey HC, Cao Y. Assessment of inter-individual, geographic, and seasonal variability in estimated human exposure to fine particles. Environmental Science & Technology. 46: 12519-26. PMID 23095102 DOI: 10.1021/es302803g |
0.473 |
|
| 2012 |
Cao Y, Frey HC. MODELING OF HUMAN EXPOSURE TO IN-VEHICLE PM(2.5) FROM ENVIRONMENTAL TOBACCO SMOKE. Human and Ecological Risk Assessment : Hera. 18: 608-626. PMID 23060732 DOI: 10.1080/10807039.2012.672894 |
0.559 |
|
| 2012 |
Chang HH, Fuentes M, Frey HC. Time series analysis of personal exposure to ambient air pollution and mortality using an exposure simulator. Journal of Exposure Science & Environmental Epidemiology. 22: 483-8. PMID 22669499 DOI: 10.1038/Jes.2012.53 |
0.472 |
|
| 2012 |
Lee T, Frey HC. Evaluation of representativeness of site-specific fuel-based vehicle emission factors for route average emissions. Environmental Science & Technology. 46: 6867-73. PMID 22568568 DOI: 10.1021/es204451z |
0.381 |
|
| 2012 |
Frey HC, Choi HW, Kim K. Portable emission measurement system for emissions of passenger rail locomotives Transportation Research Record. 56-63. DOI: 10.3141/2289-08 |
0.327 |
|
| 2012 |
Lewis P, Rasdorf W, Frey HC, Leming M. Effects of Engine Idling on National Ambient Air Quality Standards Criteria Pollutant Emissions from Nonroad Diesel Construction Equipment Transportation Research Record: Journal of the Transportation Research Board. 2270: 67-75. DOI: 10.3141/2270-09 |
0.437 |
|
| 2012 |
Rasdorf W, Lewis P, Marshall SK, Arocho I, Frey HC. Evaluation of On-Site Fuel Use and Emissions over the Duration of a Commercial Building Project Journal of Infrastructure Systems. 18: 119-129. DOI: 10.1061/(Asce)Is.1943-555X.0000071 |
0.322 |
|
| 2012 |
Marshall SK, Rasdorf W, Lewis P, Frey HC. Methodology for estimating emissions inventories for commercial building projects Journal of Architectural Engineering. 18: 251-260. DOI: 10.1061/(Asce)Ae.1943-5568.0000073 |
0.341 |
|
| 2012 |
Hu J, Frey HC, Sandhu GS, Graver BM. Modeling over-snow vehicle (OSV) fuel use and emissions rates versus engine load based on real-world measurements Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 1: 288-296. |
0.353 |
|
| 2012 |
Frey HC, Yazdani-Boroujeni B, Hu J, Sandhu G, Liu B, Jiao W, Graver B. Field measurements of 1996 to 2013 model year light duty gasoline vehicles Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 951-961. |
0.414 |
|
| 2011 |
Liu X, Frey HC. Modeling Of In-Vehicle Human Exposure to Ambient Fine Particulate Matter. Atmospheric Environment (Oxford, England : 1994). 45: 4745-4752. PMID 23101000 DOI: 10.1016/J.Atmosenv.2011.04.019 |
0.614 |
|
| 2011 |
Cao Y, Frey HC. Geographic differences in inter-individual variability of human exposure to fine particulate matter. Atmospheric Environment (Oxford, England : 1994). 45: 5684-5691. PMID 23060734 DOI: 10.1016/j.atmosenv.2011.07.034 |
0.478 |
|
| 2011 |
Graver BM, Frey HC, Choi HW. In-use measurement of activity, energy use, and emissions of a plug-in hybrid electric vehicle. Environmental Science & Technology. 45: 9044-51. PMID 21902202 DOI: 10.1021/es201165d |
0.374 |
|
| 2011 |
Cao Y, Frey HC. Assessment of interindividual and geographic variability in human exposure to fine particulate matter in environmental tobacco smoke. Risk Analysis : An Official Publication of the Society For Risk Analysis. 31: 578-91. PMID 21039708 DOI: 10.1111/j.1539-6924.2010.01523.x |
0.534 |
|
| 2011 |
Lewis P, Leming M, Frey HC, Rasdorf W. Assessing effects of operational efficiency on pollutant emissions of nonroad diesel construction equipment Transportation Research Record. 11-18. DOI: 10.3141/2233-02 |
0.361 |
|
| 2011 |
Graver BM, Frey HC. Fuel use and emission rates for F59PH locomotive engines tested on an engine dynamometer Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 1: 614-619. |
0.345 |
|
| 2011 |
Graver BM, Frey HC. Modeling of hybrid and plug-in hybrid electric vehicle energy use and emissions based on in-use measurement Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 1: 608-613. |
0.362 |
|
| 2011 |
Liu B, Frey HC. Comparison of driving schedule project level MOVES emission factors to empirical data Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 3: 2445-2454. |
0.421 |
|
| 2011 |
Lee T, Frey HC. Variability in gram per gallon vehicle emission factors with engine load and among driving cycles Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 3: 2335-2341. |
0.343 |
|
| 2011 |
Sun Y, Frey HC. Comparison of real-world activity, fuel use, and emissions for selected light duty gasoline vehicles based on driving cycles Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 1: 600-607. |
0.407 |
|
| 2011 |
Frey HC, Sandhu GS, Sun Y, Lee T, Swidan H, Liu B, Babaee S. Incorporating vehicle portable emissions measurement systems into the classroom Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 1: 620-637. |
0.372 |
|
| 2010 |
Choi HW, Frey HC. 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 & Technology. 44: 3601-7. PMID 20380435 DOI: 10.1021/es903330k |
0.328 |
|
| 2010 |
Frey HC, Zhang K, Rouphail NM. Vehicle-specific emissions modeling based upon on-road measurements. Environmental Science & Technology. 44: 3594-600. PMID 20377172 DOI: 10.1021/Es902835H |
0.433 |
|
| 2010 |
Liu X, Frey HC, Cao Y. Estimating in-vehicle concentration of and exposure to fine particulate matter: Near-roadway ambient air quality and variability in vehicle operation Transportation Research Record. 105-112. DOI: 10.3141/2158-13 |
0.615 |
|
| 2010 |
Frey HC, Rasdorf W, Lewis P. Comprehensive field study of fuel use and emissions of nonroad diesel construction equipment Transportation Research Record. 69-76. DOI: 10.3141/2158-09 |
0.363 |
|
| 2010 |
Choi HW, Frey HC. Estimating diesel vehicle emission factors at constant and high speeds for short road segments Transportation Research Record. 19-27. DOI: 10.3141/2158-03 |
0.4 |
|
| 2010 |
Graver BM, Frey HC. Quantifying the microscale activity, energy use, and emissions of a plug-in hybrid electric vehicle based on in-use data Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 1: 23-45. |
0.392 |
|
| 2009 |
Cao Y, Frey HC, Liu X, Deshpande BK. Evaluation of the Modeling of Exposure to Environmental Tobacco Smoke (ETS) in the SHEDS-PM Model. Annual Meeting & Exhibition Proceedings Cd-Rom Air & Waste Management Association. Meeting. 2009. PMID 25356067 |
0.585 |
|
| 2009 |
Liu X, Frey HC, Cao Y, Deshpande B. Modeling of In-vehicle PM(2.5) Exposure Using the Stochastic Human Exposure and Dose Simulation Model. Annual Meeting & Exhibition Proceedings Cd-Rom Air & Waste Management Association. Meeting. 2: 1087-1100. PMID 21209848 |
0.621 |
|
| 2009 |
Frey HC, Hubbell B. A Risk-based Assessment And Management Framework For Multipollutant Air Quality. Annual Meeting & Exhibition Proceedings Cd-Rom Air & Waste Management Association. Meeting. 2: 1068-1080. PMID 21209847 |
0.329 |
|
| 2009 |
Ozkaynak H, Frey HC, Burke J, Pinder RW. Analysis of coupled model uncertainties in source-to-dose modeling of human exposures to ambient air pollution: A PM(2.5) case study. Atmospheric Environment (Oxford, England : 1994). 43: 1641-1649. PMID 20041038 DOI: 10.1016/j.atmosenv.2008.12.008 |
0.456 |
|
| 2009 |
Frey HC, Zhai H, Rouphail NM. Regional on-road vehicle running emissions modeling and evaluation for conventional and alternative vehicle technologies. Environmental Science & Technology. 43: 8449-55. PMID 19924983 DOI: 10.1021/Es900535S |
0.408 |
|
| 2009 |
Frey HC, Kuo PY, Villa C. Effects of idle reduction technologies on real world fuel use and exhaust emissions of idling long-haul trucks. Environmental Science & Technology. 43: 6875-81. PMID 19764263 DOI: 10.1021/es900186e |
0.33 |
|
| 2009 |
Pang SH, Frey HC, Rasdorf WJ. Life cycle inventory energy consumption and emissions for biodiesel versus petroleum diesel fueled construction vehicles. Environmental Science & Technology. 43: 6398-405. PMID 19746743 DOI: 10.1021/Es802916U |
0.412 |
|
| 2009 |
Zhai H, Frey HC, Rouphail NM, Gonçalves GA, Farias TL. Comparison of flexible fuel vehicle and life-cycle fuel consumption and emissions of selected pollutants and greenhouse gases for ethanol 85 versus gasoline. Journal of the Air & Waste Management Association (1995). 59: 912-24. PMID 19728485 DOI: 10.3155/1047-3289.59.8.912 |
0.39 |
|
| 2009 |
Frey HC, Kuo PY. Real-world energy use and emission rates for idling long-haul trucks and selected idle reduction technologies. Journal of the Air & Waste Management Association (1995). 59: 857-64. PMID 19645270 DOI: 10.3155/1047-3289.59.7.857 |
0.358 |
|
| 2009 |
Lewis P, Frey HC, Rasdorf W. Development and use of emissions inventories for construction vehicles Transportation Research Record. 46-53. DOI: 10.3141/2123-06 |
0.409 |
|
| 2009 |
Lewis P, Rasdorf W, Frey HC, Pang SH, Kim K. Requirements and incentives for reducing construction vehicle emissions and comparison of nonroad diesel engine emissions data sources Journal of Construction Engineering and Management. 135: 341-351. DOI: 10.1061/(Asce)Co.1943-7862.0000008 |
0.45 |
|
| 2009 |
Frey HC, Kim K. In-use measurement of the activity, fuel use, and emissions of eight cement mixer trucks operated on each of petroleum diesel and soy-based B20 biodiesel Transportation Research Part D: Transport and Environment. 14: 585-592. DOI: 10.1016/j.trd.2009.08.004 |
0.347 |
|
| 2009 |
Coelho MC, Frey HC, Rouphail NM, Zhai H, Pelkmans L. Assessing methods for comparing emissions from gasoline and diesel light-duty vehicles based on microscale measurements Transportation Research Part D: Transport and Environment. 14: 91-99. DOI: 10.1016/J.Trd.2008.11.005 |
0.411 |
|
| 2009 |
Graver BM, Frey HC. Estimation of air carrier emissions at Raleigh-Durham international airport Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 4: 2502-2516. |
0.426 |
|
| 2009 |
Frey HC, Choi HW, Kim K. Measurement of the energy use and emissions of passenger rail locomotives using a portable emission measurement system Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 1145-1157. |
0.347 |
|
| 2009 |
Frey HC, Choi HW, Pritchard E, Lawrence J. In-use measurement of the activity, energy use, and emissions of a plug-in hybrid electric vehicle Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 1127-1144. |
0.366 |
|
| 2009 |
Liu X, Frey HC, Cao Y, Deshpande B. Modeling of in-vehicle PM2.5 exposure using the stochastic human exposure and dose simulation model Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2: 1087-1100. |
0.612 |
|
| 2008 |
Zhai H, Frey HC, Rouphail NM. A vehicle-specific power approach to speed- and facility-specific emissions estimates for diesel transit buses. Environmental Science & Technology. 42: 7985-91. PMID 19031891 DOI: 10.1021/Es800208D |
0.418 |
|
| 2008 |
Frey HC, Kim K, Pang SH, Rasdorf WJ, Lewis P. Characterization of real-world activity, fuel use, and emissions for selected motor graders fueled with petroleum diesel and B20 biodiesel. Journal of the Air & Waste Management Association (1995). 58: 1274-87. PMID 18939774 DOI: 10.3155/1047-3289.58.10.1274 |
0.387 |
|
| 2008 |
Abolhasani S, Frey HC, Kim K, Rasdorf W, Lewis P, Pang SH. Real-world in-use activity, fuel use, and emissions for nonroad construction vehicles: a case study for excavators. Journal of the Air & Waste Management Association (1995). 58: 1033-46. PMID 18720653 DOI: 10.3155/1047-3289.58.8.1033 |
0.404 |
|
| 2008 |
Frey HC, Zhang K, Rouphail NM. Fuel use and emissions comparisons for alternative routes, time of day, road grade, and vehicles based on in-use measurements. Environmental Science & Technology. 42: 2483-9. PMID 18504985 DOI: 10.1021/Es702493V |
0.444 |
|
| 2008 |
Frey HC, Rasdorf W, Kim K, Pang SH, Lewis P. Comparison of real-world emissions of B20 biodiesel versus petroleum diesel for selected IMonroad vehicles and engine tiers Transportation Research Record. 33-42. DOI: 10.3141/2058-05 |
0.387 |
|
| 2008 |
Frey HC, Rouphail NM, Zhai H. Link-based emission factors for heavy-duty diesel trucks based on real-world data Transportation Research Record. 23-32. DOI: 10.3141/2058-04 |
0.431 |
|
| 2008 |
Zhai H, Frey HC, Rouphail NM, Gonçalves GA, Farias TL. Impact of alternative vehicle technologies on measured vehicle emissions Transportation Land Use, Planning, and Air Quality - Proceedings of the 2007 Transportation Land Use, Planning, and Air Quality Conference. 320. DOI: 10.1061/40960(320)38 |
0.348 |
|
| 2008 |
Frey HC, Choi HW. Estimating light duty gasoline vehicle emission factors at high transient and constant speeds for short road segments to support near-roadway air quality studies Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 5: 3137-3148. |
0.455 |
|
| 2008 |
Frey HC, Pang SH, Kim K. Vehicle-specific emissions modeling for non-road construction vehicles based upon real-world measurements Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 5: 2743-2749. |
0.456 |
|
| 2008 |
Frey HC, Kuo PY, Villa C. Measurement and modeling of fuel use and exhaust emissions from idling Long-haul freight truck and auxiliary power unit engines Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 5: 3060-3064. |
0.355 |
|
| 2008 |
Zhai H, Frey HC, Rouphail NM, Gonçalves GA, Farias TL. Comparison of fuel consumption and tailpipe emissions of ethanol 85 and gasoline for flexible fuel vehicles Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 5: 3262-3276. |
0.334 |
|
| 2007 |
Frey HC, Rouphail NM, Zhai H, Farias TL, Gonçalves GA. Comparing real-world fuel consumption for diesel- and hydrogen-fueled transit buses and implication for emissions Transportation Research Part D: Transport and Environment. 12: 281-291. DOI: 10.1016/J.Trd.2007.03.003 |
0.337 |
|
| 2007 |
Frey HC, Zhang K. Spatial and temporal analysis of real-world empirical fuel use and emissions 100th Annual Conference and Exhibition of the Air and Waste Management Association 2007, Ace 2007. 3: 2097-2102. |
0.419 |
|
| 2007 |
Zhai H, Frey HC, Rouphail NM, Gonçalves GA, Farias TL. Fuel consumption and emissions comparisons between ethanol 85 and gasoline fuels for flexible fuel vehicles 100th Annual Conference and Exhibition of the Air and Waste Management Association 2007, Ace 2007. 5: 3104-3108. |
0.352 |
|
| 2006 |
Miller CA, Hidy G, Hales J, Kolb CE, Werner AS, Haneke B, Parrish D, Frey HC, Rojas-Bracho L, Deslauriers M, Pennell B, Mobley JD. Air emission inventories in North America: a critical assessment. Journal of the Air & Waste Management Association (1995). 56: 1115-29. PMID 16933644 |
0.385 |
|
| 2006 |
Zhang K, Frey HC. Road grade estimation for on-road vehicle emissions modeling using light detection and ranging data. Journal of the Air & Waste Management Association (1995). 56: 777-88. PMID 16805402 |
0.425 |
|
| 2006 |
Frey HC, Rouphail NM, Zhai H. Speed- and Facility-Specific Emission Estimates for On-Road Light-Duty Vehicles on the Basis of Real-World Speed Profiles Transportation Research Record: Journal of the Transportation Research Board. 1987: 128-137. DOI: 10.3141/1987-14 |
0.429 |
|
| 2006 |
Zhao Y, Frey HC. Uncertainty for data with non-detects: Air toxic emissions from combustion Human and Ecological Risk Assessment. 12: 1171-1191. DOI: 10.1080/10807030600977178 |
0.394 |
|
| 2006 |
Silva CM, Farias TL, Frey HC, Rouphail NM. Evaluation of numerical models for simulation of real-world hot-stabilized fuel consumption and emissions of gasoline light-duty vehicles Transportation Research Part D: Transport and Environment. 11: 377-385. DOI: 10.1016/J.Trd.2006.07.004 |
0.444 |
|
| 2006 |
Kim K, Abolhasani S, Pang SH, Frey HC. Real-world data collection procedure for non-road construction equipment: Problems, solutions, and data quality assurance Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 3: 1935-1939. |
0.394 |
|
| 2006 |
Zietsman J, Perkinson DG, Frey HC, Wieters KM. Emissions comparison between dirt roads and paved roads using portable emissions measurement systems Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 6: 3421-3439. |
0.42 |
|
| 2005 |
Frey HC, Kim K. In-use emissions of heavy duty diesel dump trucks on petroleum diesel and B20 biodiesel fuels Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. 2005. |
0.386 |
|
| 2004 |
Zhao Y, Frey HC. Development of probabilistic emission inventories of air toxics for Jacksonville, Florida, USA. Journal of the Air & Waste Management Association (1995). 54: 1405-21. PMID 15587554 |
0.467 |
|
| 2004 |
Frey HC, Zhao Y. Quantification of variability and uncertainty for air toxic emission inventories with censored emission factor data. Environmental Science & Technology. 38: 6094-100. PMID 15573612 DOI: 10.1021/es035096m |
0.423 |
|
| 2004 |
Zhao Y, Frey HC. Quantification of variability and uncertainty for censored data sets and application to air toxic emission factors. Risk Analysis : An Official Publication of the Society For Risk Analysis. 24: 1019-34. PMID 15357825 DOI: 10.1111/j.0272-4332.2004.00504.x |
0.306 |
|
| 2004 |
Abdel-Aziz AM, Frey HC. Propagation of uncertainty in hourly utility NOx emissions through a photochemical grid air quality model: a case study for the Charlotte, NC, modeling domain. Environmental Science & Technology. 38: 2153-60. PMID 15112819 DOI: 10.1021/es034062b |
0.393 |
|
| 2004 |
Unal A, Frey HC, Rouphail NM. Quantification of highway vehicle emissions hot spots based upon on-board measurements. Journal of the Air & Waste Management Association (1995). 54: 130-40. PMID 14977314 DOI: 10.1080/10473289.2004.10470888 |
0.397 |
|
| 2004 |
Zhao Y, Frey HC. Development of probabilistic emission inventory of air toxics for Jacksonville, Florida Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. |
0.457 |
|
| 2004 |
Hanna AF, Vukovich JM, Arunachalam S, Loughlin D, Frey HC, Isakov V. Assessment of uncertainty in benzene concentration estimates in the Houston, TX, area Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, Awma. |
0.441 |
|
| 2004 |
Hanna SR, Heinold D, Paine R, Frey HC, Baker D, Karp R, Feldman H. A Monte Carlo study of the uncertainties in predictions by ISC3ST and AERMOD of annual average benzene and 1,3-butadiene concentrations around the houston ship channel Proceedings of the Air and Waste Management Association's Annual Meeting and Exhibition. 3145-3157. |
0.403 |
|
| 2004 |
Hanna SR, Heinold D, Paine R, Frey HC, Baker D, Karp R, Feldman H. A Monte Carlo study of the uncertainties in predictions by ISC3ST and AERMOD of annual average benzene and 1,3-butadiene concentrations around the houston ship channel Proceedings of the Air and Waste Management Association's Annual Meeting and Exhibition. 3145-3157. |
0.403 |
|
| 2003 |
Frey HC, Li S. Methods for quantifying variability and uncertainty in AP-42 emission factors: case studies for natural gas-fueled engines. Journal of the Air & Waste Management Association (1995). 53: 1436-47. PMID 14700131 |
0.374 |
|
| 2003 |
Abdel-Aziz A, Frey HC. Quantification of hourly variability in NO(x) emissions for baseload coal-fired power plants. Journal of the Air & Waste Management Association (1995). 53: 1401-11. PMID 14649760 |
0.333 |
|
| 2003 |
Frey HC, Unal A, Rouphail NM, Colyar JD. On-road measurement of vehicle tailpipe emissions using a portable instrument. Journal of the Air & Waste Management Association (1995). 53: 992-1002. PMID 12943319 DOI: 10.1080/10473289.2003.10466245 |
0.407 |
|
| 2003 |
Unal A, Rouphail NM, Frey HC. Effect of Arterial Signalization and Level of Service on Measured Vehicle Emissions Transportation Research Record: Journal of the Transportation Research Board. 1842: 47-56. DOI: 10.3141/1842-06 |
0.335 |
|
| 2003 |
Frey HC, Bammi S. Probabilistic nonroad mobile source emission factors Journal of Environmental Engineering. 129: 162-168. DOI: 10.1061/(ASCE)0733-9372(2003)129:2(162) |
0.363 |
|
| 2003 |
Abdel-Aziz A, Frey HC. Development of hourly probabilistic utility NOx emission inventories using time series techniques: Part II - Multivariate approach Atmospheric Environment. 37: 5391-5401. DOI: 10.1016/j.atmosenv.2003.09.008 |
0.302 |
|
| 2003 |
Abdel-Aziz A, Frey HC. Development of hourly probabilistic utility NOx emission inventories using time series techniques: Part I - Univariate approach Atmospheric Environment. 37: 5379-5389. DOI: 10.1016/j.atmosenv.2003.09.007 |
0.388 |
|
| 2003 |
Abdel-Aziz A, Frey HC. Quantification of Hourly Variability in NOx Emissions for Baseload Coal-Fired Power Plants Journal of the Air and Waste Management Association. 53: 1401-1411. |
0.338 |
|
| 2002 |
Frey HC, Zheng J. Probabilistic analysis of during cycle-based highway vehicle emission factors. Environmental Science & Technology. 36: 5184-91. PMID 12523436 DOI: 10.1021/es0114308 |
0.405 |
|
| 2002 |
Frey HC, Zheng J. Quantification of variability and uncertainty in air pollutant emission inventories: method and case study for utility NOx emissions. Journal of the Air & Waste Management Association (1995). 52: 1083-95. PMID 12269669 |
0.374 |
|
| 2002 |
Frey HC, Bammi S. Quantification of variability and uncertainty in lawn and garden equipment NOx and total hydrocarbon emission factors. Journal of the Air & Waste Management Association (1995). 52: 435-48. PMID 12002189 |
0.367 |
|
| 2002 |
Frey HC, Zheng J. Quantification of variability and uncertainty in air pollutant emission inventories: Method and case study for utility NOx emissions Journal of the Air and Waste Management Association. 52: 1083-1095. |
0.374 |
|
| 2001 |
Hanna SR, Lu Z, Frey HC, Wheeler N, Vukovich J, Arunachalam S, Fernau M, Hansen DA. Uncertainties in predicted ozone concentrations due to input uncertainties for the UAM-V photochemical grid model applied to the July 1995 OTAG domain Atmospheric Environment. 35: 891-903. DOI: 10.1016/S1352-2310(00)00367-8 |
0.391 |
|
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