"Some Issues in the Statistical Analysis of Vehicle Emissions." Journal of Transportation and Statistics 3.2 (2000) 1-14. LBNL-46115..
"Comments on NRC Committee report Assessment of Technologies for Improving Fuel Economy of Light-Duty Vehicles, Phase 2." 2015..
An Analysis of the Relationship between Casualty Risk Per Crash and Vehicle Mass and Footprint for Model Year 2003-2010 Light-Duty Vehicles. 2018. LBNL-2001092..
Increasing the Fuel Economy and Safety of New Light-Duty Vehicles. 2006. LBNL-60449..
Comments on the Joint Proposed Rulemaking to Establish Light- Duty Vehicle Greenhouse Gas Emission Standards and Corporate Average Fuel Economy Standards Docket No. NHTSA–2009–0059 and. 2009. LBNL-3848E..
Analysis of National Pay-As-You-Drive Insurance Systems and Other Variable Driving Charges. 1995. LBL-37321..
Evaluation of the Enhanced Smog Check Program: A Report to the California Inspection and Maintenance Review Committee. 2000. LBNL-46117..
"Comments on Docket No. NHTSA-2016-0068 and Docket ID No. EPA-HQ-OAR-2015- 0827, Draft Technical Assessment Report: Midterm Evaluation of Light-Duty Vehicle Greenhouse Gas Emission Standards and Corporate Average Fuel Economy Standards for Model Years 2022." 2016..
"Safer Vehicles for People and the Planet: Response to a Letter to the Editor of American Scientist." 2008. LBNL-311E..
Analysis of Casualty Risk per Police-Reported Crash for Model Year 2000 to 2004 Vehicles, using Crash Data from Five States. 2012. LBNL-4897E..
"The effect of recent trends in vehicle design on U.S. societal fatality risk per vehicle mile traveled, and their projected future relationship with vehicle mass." Accident Analysis & Prevention 56 (2013) 71 - 81. LBNL-6277E..
An Analysis of Traffic Deaths by Vehicle Type and Model. 2002. LBNL-49675..
"SAE Technical Paper Series Characterization of Recent-Model High-Emitting Automobiles." International Fuels & Lubricants Meeting & ExpositionSAE Technical Paper Series. Vol. 1. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998..
"Short-term emissions deterioration in the California and Phoenix I/M programs." Transportation Research Part D: Transport and Environment 9.2 (2004) 107-124. LBNL-52169..
Assessment of NHTSA’s Report “Relationships Between Fatality Risk, Mass, and Footprint in Model Year 2003-2010 Passenger Cars and LTVs”. 2016. LBNL-1005177..
Review of Sierra Research Report “Development of a Proposed Procedure for Determining the Equivalency of Alternative Inspection and Maintenance Programs”. 1998. LBNL-44045..
Safer Vehicles for People and the Planet. 2008. LBNL-325E..
"The effects of vehicle model and driver behavior on risk." Accident Analysis & Prevention 37.3 (2005) 479 - 494. LBNL-55417..
"On the Sources of Methane to the Los Angeles Atmosphere." Environmental Science & Technology 46.17 (2012) 9282–9289..
California’s Carbon Challenge: Scenarios for Achieving 80% Emissions Reduction in 2050. 2012. LBNL-5448E..
"Non-Constant Learning Rates in Retrospective Experience Curve Analyses and their Correlation to Deployment Programs." Energy Policy 107 (2015) 356–369. LBNL-186336..
A Total Cost of Ownership Model for Low Temperature PEM Fuel Cells in Combined Heat and Power and Backup Power Applications. 2014. LBNL-6772E..