Recently Completed Research Contracts

Visit the Active Contracts webpage for a list of CARB's current research contracts.

The California Air Resources Board (CARB) sponsors a research program that is guided by the mission of providing sound and timely scientific results to support CARB’s policies and programs. CARB’s research goals of informing health-based air quality standards, reducing air pollution exposures, and protecting California from the potential impacts of climate change have been met through a diverse portfolio of projects. A list of recently completed research contracts sorted by category can be found below. Environmental justice and economics are included in all research categories.

Air Quality

Title	Start Date	PI (Author)	Institution	Contract No.
Analysis of Particulate Matter Composition Measured in Los Angeles during RECAP-LA	06/30/22	John Seinfeld	Caltech	21RD017
TARTA-XACT Comparison	05/01/22	Anthony Wexler	University of California, Davis	21RD020
Framework for Collecting and Updating Time-Activity Patterns	02/01/22	Cesunica E. Ivey	University of California, Berkeley	21RD011
Measurements of VOCs in the SoCAB: Chemical Characterization and Impacts on Potential Ozone and PM Formation	04/01/21	Jessica Gilman	National Oceanic and Atmospheric Association	20RD002
Decision Drivers to Facilitate Lower-Polluting Products Choices by Consumers	11/01/20	Magali Delmas	University of California, Los Angeles	20RD008
Airborne Flux Measurement of Volatile Organic Compounds and Oxides of Nitrogen in California	10/01/20	Allen Goldstein	University of California, Berkeley	20RD003
Direct Measurements of Ozone Sensitivity to Oxides of Nitrogen and Volatile Organic Compounds in the South Coast Air Basin	01/01/19	Michael Kleeman	University of California, Davis	19RD012

Climate

Title	Start Date	PI (Author)	Institution	Contract No.
Airborne Remote-Sensing Surveys of Methane Emissions in California	03/01/23	Andrew Aubrey	Carbon Mapper, Inc	22RD001
Development of a Testing Standard and a Mechanistic Model for Enteric Fermentation Methane Emissions	04/01/22	Ermias Kebreab	University of California, Davis	21RD019
Understanding and Mitigating Wildfire Risk in California	01/01/20	Allen Goldstein	University of California, Berkeley	19RD008

Health

Title	Start Date	PI (Author)	Institution	Contract No.
White Paper: Analysis of Race/Ethnicity in Social Determinants of Health and Climate Change Vulnerability	06/15/23	Tarik Benmarhnia	University of California, San Diego	22RD037
White Paper: Health Impacts by Race/Ethnicity in Air Pollution Studies in California	03/15/23	Tarik Benmarhnia	University of California, San Diego	22RD025
Low-Cost Sensors for Healthier Indoor Air Quality in Impacted Communities	04/01/23	Cesunica Ivey	University of California, Berkeley	22RD020
Community Wildfire & Capacity Building Webinar	04/01/23	Suellen Hopfer	University of California, Irvine	22RD018
White Paper: Air Pollutant Emissions and Possible Health Effects Associated with Electronic Air Cleaning Devices	09/01/22	Christopher Cappa	University of California, Davis	22RD003
Air Pollution Measurements, Exposure Assessment, and Evaluation of the Sources of Particulate Matter in Fresno, CA	05/01/20	Katharine Hammond	University of California, Berkeley	19RD003
Health Impacts of California Wildfire PM2.5 Across the Lifespan: Wildfire Exposure to Rhesus Monkeys	04/01/20	Lisa Miller	University of California, Davis	19RD005
A Scenario Tool for Assessing the Health Benefits of Conserving, Restoring and Managing Natural and Working Lands in California	03/01/20	Michael Jerrett	University of California, Los Angeles	19RD015

Sustainable Transportation & Communities

Title	Start Date	PI (Author)	Institution	Contract No.
White Paper: Improving the Efficiency of the Urban Freight System in California	02/15/22	Miguel Jaller	University of California, Davis	21RD015
Alignment of Planned Transportation Investments with Climate and Equity Goals	02/01/22	Brian Taylor	University of California, Los Angeles	21RD008
Measuring, Analyzing, and Identifying Small-Area Vehicle Miles Traveled Reduction	04/01/21	Susan Handy	University of California, Davis	20RD006
A Data Science Framework to Measure VMT by Mode and Purpose	04/01/21	Marta Gonzalez	University of California, Berkeley	20RD005
Strategies for Incentivizing High-Occupancy, Zero-Emission, New Mobility Options	02/01/20	Susan Shaheen	University of California, Berkeley	19RD009
Assessing the Quantification Methodology for the Affordable Housing and Sustainable Communities Program	06/30/23	Dan Chatman	University of California, Berkeley	22STC009
Assessment Report and Development of Resources: Local Government Zero-Emission Vehicle Multi-Modal Ecosystem	06/30/23	Samual Markolf	University of California, Merced	22STC012
Development of Regional Accessibility Metric for SB 150 Report	06/26/23	Dillon Fitch	University of California, Davis	22STC013
Potential State Roles in Expanding Transfer of Development Rights (TDR) as a Tool for Greenhouse Gas Reduction	06/15/23	Louise Bedsworth	University of California, Berkeley	22STC020
Impacts and Implications of California Housing and Transportation Costs	06/15/23	Jesus Barajas	University of California, Davis	22STC019
California Climate Investments Climate Risk Assessment	05/15/23	Owen Doherty	Eagle Rock Analytics, Inc	22STC003
White Paper: Impact of Innovative Financing Tools on the Production of In-Fill Housing and Reduction in VMT	06/29/22	Shishir Mathur	San Jose State University	21STC011
Policy Briefs: Effects of Transportation and Land Use Policies and Strategies on Vehicle Use and Greenhouse Gas Emissions	06/29/22	Dillon Fitch-Polse	University of California, Davis	21STC014
Understanding Travel Demand and Built Environment Factors to Optimize Increased ZEV Access in Underserved Communities	05/15/22	Scott Hardman	University of California, Davis	21STC017
Best Practices and Capacity Building for Local Government Implementation of Climate Action Policies	05/15/22	Catherine Brinkley	University of California, Davis	21STC021
Local California Environmental Quality Act (CEQA) Mitigation	10/01/21	Michael Boswell	California Polytechnic State University	21STC001
Evaluating the Potential for Housing Development in Transportation-Efficient and Healthy, High-Opportunity Areas in California	06/01/21	Nicholas Marantz	University of California, Irvine	20STC009
Post-COVID Transportation Scenarios: Evaluating the Impact of Policies	05/15/21	Susan Handy	University of California, Davis	20STC008
Barriers to Reducing the Carbon Footprint of Transportation	06/01/20	Giovanni Circella	University of California, Davis	19STC006

Mobile Sources

Title

Start Date

PI (Author)

Institution

Contract No.

Heavy-Duty Optional Low NOx Vehicle Testing

04/01/22

Thomas Durbin

University of California, Riverside

21RD018

Plume Capture Measurement of Vehicle Emissions at the Caldecott Tunnel for Heavy-Duty Emission Program Development and Verification

02/01/21

Thomas Kirchstetter

University of California, Berkeley

20RD004

Remote Sensing Measurements of Light-Duty Vehicle Emissions at Multiple California Locations

11/01/20

Sandeep Kishan

Eastern Research Group

20RD001

Collection and Analysis of Agricultural Equipment Activity Data

06/01/20

Tom Durbin

University of California, Riverside

19RD002

Low-Carbon Transportation Incentive Strategies Using Performance Evaluation Tools for Heavy-Duty Trucks and Off-Road Equipment

06/01/20

Stephen Ritchie

University of California, Irvine

19RD026