Terry L. Ullman

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The Texas Diesel Fuels Project, Part 1: Development of TxDOT-Specific Test Cycles with Emphasis on a “Route” Technique for Comparing Fuel/Water Emulsions and Conventional Diesel Fuels

Ronald D. Matthews, Timothy H. DeFries, Sandeep Kishan, 2004 .

Emission characterization of a 2-stroke heavy-duty diesel coach engine and vehicle with and without a particulate trap. Final report, 20 April 1982-28 May 1983

Terry L. Ullman, Charles T. Hare, 1985 .

EARLY ENTRANCE COPRODUCTION PLANT

Fred D. Brent, Charles H. Schrader, Lalit S. Shah, 2004 .

Emissions characterization of a heavy-duty diesel truck engine operated on crude and minimally-processed shale oils. Final report, 30 September 1984-25 April 1985

Terry L. Ullman, Charles T. Hare, 1985 .

EFFECTS OF FUEL OXYGENATES, CETANE NUMBER, AND AROMATIC CONTENT ON EMISSIONS FROM 1994 AND 1998 PROTOTYPE HEAVY-DUTY DIESEL ENGINES.

Robert L. Mason, Terry L. Ullman, Kent B. Spreen, 1995 .

Performance of Partial Flow Sampling Systems Relative to Full Flow CVS for Determination of Particulate Emissions under Steady-State and Transient Diesel Engine Operation

Yutaka Yamagishi, Imad A. Khalek, Terry L. Ullman, 2002 .

The Challenges of Developing an Energy, Emissions, and Fuel Economy Test Procedure for Heavy-Duty Hybrid Electric Transit Vehicles

E. C. Owens, Edward A. Bass, Terry L. Ullman, 1995 .

Preliminary Particulate Trap Tests on a 2-Stroke Diesel Bus Engine

Terry L. Ullman, Charles T. Hare, Thomas M. Baines, 1984 .

Emissions performance of two catalyzed trap oxidizers on a bus engine

Terry L. Ullman, 1986 .

EMISSIONS CHARACTERIZATION OF HEAVY-DUTY DIESEL AND GASOLINE ENGINES AND VEHICLES

Terry L. Ullman, Charles T. Hare, 1985 .

Hot Start Transient Emissions from a Mercedes OM 366 LA and a Detroit Diesel Operated on Chilean, California, and US 2D Fuels

Imad A. Khalek, Luis Vasquez, Terry L. Ullman, 2002 .

The Texas Diesel Fuels Project, Part 2: Comparisons of Fuel Consumption and Emissions for a Fuel/Water Emulsion and Conventional Diesel Fuels

Matthew J. Hall, Ronald D. Matthews, Joe Anthony, 2004 .

Heavy-Duty Diesel Emissions from Operation on Crude and Minimally-Processed Shale Oils

Craig A. Harvey, Terry L. Ullman, Charles T. Hare, 1985 .

Development of an I/M Short Emissions Test for Buses

David M. Human, Terry L. Ullman, 1992 .

Transient Emissions from Two Natural Gas-Fueled Heavy-Duty Engines

Terry L. Ullman, Christopher A. Sharp, Kenneth R. Stamper, 1993 .

Investigation of the effects of fuel composition on heavy-duty diesel engine emissions

Terry L. Ullman, T. Ullman, 1989 .

Effects of Cetane Number, Cetane Improver, Aromatics, and Oxygenates on 1994 Heavy-Duty Diesel Engine Emissions

Robert L. Mason, Terry L. Ullman, R. L. Mason, 1994 .

Effects of Cetane Number, Aromatics, and Oxygenates on Emissions From a 1994 Heavy-Duty Diesel Engine With Exhaust Catalyst

Robert L. Mason, Terry L. Ullman, R. L. Mason, 1995 .

Emissions from two methanol-powered buses

Terry L. Ullman, Charles T. Hare, Thomas M. Baines, 1986 .

Nonroad Engine Activity Analysis and Transient Cycle Generation

Cynthia C. Webb, Terry L. Ullman, Cleophas C. Jackson, 1999 .

Effects of fuel aromatics, cetane number, and cetane improver on emissions from a 1991 prototype heavy-duty diesel engine

Robert L. Mason, Terry L. Ullman, R. L. Mason, 1990 .

Effects of Increased Altitude on Heavy-Duty Diesel Engine Emissions

Terry L. Ullman, Cynthia A. Chaffin, 1994 .