TY  - Abstract
A1  - Khan, T 
A1  - Frey, H C
A1  - Rastogi, N 
A1  - Wei, T 
T1  - Geospatial variation of real-world tailpipe emission rates for light-duty gasoline vehicles.
Y1  - 2020//
N1  - R834550
JF  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
VL  - 54
SP  - 8968–79
ER  - 


TY  - JOUR
A1  - Anya, A R
A1  - Rouphail, N M
A1  - Frey, H C
A1  - Schroeder, B 
T1  - Application of AIMSUN microsimulation model to estimate emissions on signalized arterial corridors.
Y1  - 2014/12/1
N1  - R834550
VL  - 2428
IS  - 2
SP  - 75
EP  - 86
ER  - 


TY  - JOUR
A1  - Khan, T 
A1  - Frey, H C
A1  - Rastogi, N 
A1  - Wei, T 
T1  - Geospatial variation of real-world tailpipe emission rates for light-duty gasoline vehicles.
Y1  - 2020//
N1  - R834550
JF  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
VL  - 54
SP  - 8968–79
ER  - 


TY  - JOUR
A1  - Liu, B 
A1  - Frey, H C
T1  - Variability in light-duty gasoline vehicle emission factors from trip-based real-world measurements.
Y1  - 2015/10/20
N1  - R834550
JF  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J1  - ENVIRON SCI TECHNOL
J2  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J3  - Enviornmenal Research
VL  - 49
IS  - 20
SP  - 12525
EP  - 12534
ER  - 


TY  - JOUR
A1  - Liu, B 
A1  - Frey, H C
T1  - Measurement and evaluation of real-world speed and acceleration activity envelopes for light-duty vehicles.
Y1  - 2015//
N1  - R834550
JF  - TRANSPORTATION RESEARCH RECORD
J1  - TRANSPORT RES REC
VL  - 2503
SP  - 128
EP  - 136
ER  - 


TY  - JOUR
A1  - Salamati, K 
A1  - Coelho, M C
A1  - Fernandes, P J
A1  - Rouphail, N M
A1  - Frey, H C
A1  - Bandeira, J 
T1  - Emissions estimation at multilane roundabouts: effects of movement and approach lane.
Y1  - 2014/03/
N1  - R834550
VL  - 2389
SP  - 12
EP  - 21
ER  - 


TY  - JOUR
A1  - Taylor, J 
A1  - Zhou, X 
A1  - Rouphail, N M
A1  - Porter, R J
T1  - Method for investigating intradriver heterogeneity using vehicle trajectory data: a dynamic time warping approach.
Y1  - 2015/03/
N1  - R834550
JF  - TRANSPORTATION RESEARCH PART B-METHODOLOGICAL
J1  - TRANSPORT RES B-METH
VL  - 73
SP  - 59
EP  - 80
ER  - 


TY  - JOUR
A1  - Wei, T 
A1  - Frey, H C
T1  - Intermodal comparison of tailpipe emission rates between transit buses and private vehicles for on-road passenger transport.
Y1  - 2022//
N1  - R834550
JF  - ATMOSPHERIC ENVIRONMENT
J1  - ATMOS ENVIRON
J2  - Atmos.Environ.
VL  - 281
SP  - 119141
ER  - 


TY  - JOUR
A1  - Wei, T 
A1  - Frey, H C
T1  - Sensitivity of light duty vehicle tailpipe emission rates from simplified portable emission measurement systems to variation in engine volumetric efficiency.
N1  - R834550
JF  - JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION
ER  - 


TY  - JOUR
A1  - Zhou, X 
A1  - Tanvir, S 
A1  - Lei, H 
A1  - Taylor, J 
A1  - Liu, B 
A1  - Rouphail, N M
A1  - Frey, H C
T1  - Integrating a simplified emission estimation model and mesoscopic dynamic traffic simulator to efficiently evaluate emission impacts of traffic management strategies.
Y1  - 2015/06/
N1  - R834550
JF  - TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
J1  - TRANSPORT RES D-TR E
VL  - 37
SP  - 123
EP  - 136
ER  -