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2000

Wenzel, Thomas P."Evaluation of the Effectiveness of Alternative Fast Pass, Fast Fail, and Retest Algorithms in the Phoenix IM147 Program." (2000).
Wenzel, Thomas P, Brett C Singer, Etan Gumerman, and Robert Sawyer."Evaluation of the Enhanced Smog Check Program: A Report to the California Inspection and Maintenance Review Committee." (2000).
Barth, Matthew, Feng An, Theodore Younglove, George Scora, Carrie Levine, Marc Ross, and Thomas P Wenzel."Development of a Comprehensive Modal Emissions Model." (2000).

1999

Wenzel, Thomas P."Using Program Test Result Data to Evaluate the Phoenix I/M Program." (1999).

1998

Ross, Marc, Rob Goodwin, Rick Watkins, Thomas P Wenzel, and Michael Q Wang."Real-World Emissions from Conventional Passenger Cars."Journal of the Air & Waste Management Association 48.6 (1998) 502 - 515. DOI
Wenzel, Thomas P."Review of Sierra Research Report “Development of a Proposed Procedure for Determining the Equivalency of Alternative Inspection and Maintenance Programs”." (1998).
Ross, Marc, Rob Goodwin, Rick Watkins, Thomas P Wenzel, and Michael Q Wang."Real-World Emissions from Conventional Passenger Cars."Journal of the Air & Waste Management Association 48.6 (1998) 502 - 515. DOI
Wenzel, Thomas P, and Marc Ross."SAE Technical Paper Series Characterization of Recent-Model High-Emitting Automobiles."International Fuels & Lubricants Meeting & ExpositionSAE Technical Paper Series 1 (1998). DOI

1997

Barth, Matthew, Theodore Younglove, Thomas P Wenzel, George Scora, Feng An, Marc Ross, and Joseph Norbeck."Analysis of Modal Emissions From Diverse In-Use Vehicle Fleet."Transportation Research Record: Journal of the Transportation Research Board 1587.1 (1997) 73 - 84. DOI

1995

Ross, Marc, Rob Goodwin, Rick Watkins, Michael Q Wang, and Thomas P Wenzel."Real-World Emissions from Model Year 1993, 2000, and 2010 Passenger Cars." (1995).
Wenzel, Thomas P."Analysis of National Pay-As-You-Drive Insurance Systems and Other Variable Driving Charges." (1995).