All Research Products

This research evaluates the potential effectiveness of a select “Smart Pedal” system for improving fuel economy and reducing GHG emissions in the Caltrans vehicle fleet.

This study explores how has EV adoption increased over the past years and predicts how will the EV market continue to expand and penetrate in the future years using a case study with regional granular travel survey data.

The SmartPedalTM technology was evaluated using six Caltrans vehicles, each monitored for two data collection periods: 1) without the SmartPedalTM device, to collect the baseline data sets,  and 2) with the SmartPedalTM device, to collect a comparison data set with the “Smart Pedal” technology. The collected data is presented here.

This research assesses whether the development of reduced-cobalt energy dense cathode chemistry and the use of columnar silicon thin film anode will change the currently understood waste hierarchy of lithium-ion batteries, which prioritizes reuse or repurposing prior to recycling. The assessment considers the life cycle environmental impacts of two end-of-life management routes for a high-cobalt LIB: first, recycling the battery immediately after the first use life to produce a new, and less material intensive battery, and second, repurposing the battery for a stationary storage application followed by recycling.

EV Explorer 2.0 includes several important features and functionalities to support the TNC driver use case that are not found in any other available tool: (1) It allows users to estimate TCO for used vehicles as well as new (others only estimate TCO for new vehicles); (2) Outputs include ridehail-driving income estimates, accounting for EV trip bonuses offered by Uber, net driving costs; (3) Estimates of total cost of driving (TCD) include charging network membership fees and charging session fees (in addition to electricity prices).

In this study, the researchers examine the rate of bike-share adoption by individuals from different socio-demographic groups and living in different bicycling contexts.

The goal of the 2023 Atlanta Metropolitan Area Northwest Corridor Commuter Survey is to gather information from metropolitan area residents about changes in their commute travel to work on the I-75 Northwest Corridor (NWC) over time. The survey looks at commute travel before and after the NWC Express Lanes opened, during the height of the COVID-19 pandemic, and finally at anticipated changes after the pandemic is behind us.

This report presents preliminary findings from the American Micromobility Panel, the largest study of shared micromobility services in the United States incorporating riders from multiple major operators.

This study investigates the opportunities and challenges associated with alternate last-mile distribution strategies for an e-retailer offering expedited service with rush delivery within strict timeframes. The authors formulated a last-mile network design (LMND) problem as a dynamic-stochastic two-echelon capacitated location routing problem with time-windows (DS-2E-C-LRP-TW) addressed with an adaptive large neighborhood search (ALNS) metaheuristic.

This work models a last-mile network design problem for an e-retailer with a capacitated two-echelon distribution structure - typical in e-retail last-mile distribution, catering to a market with a stochastic and dynamic daily customer demand requesting delivery within time-windows.

Reliable, lane-level, absolute position determination for connected and automated vehicles (CAV’s) is near at hand due to advances in sensor and computing technology. This project investigated, analyzed, and demonstrated these related technologies.

In this project, the authors developed a centrally coordinated shuttle scheduling and routing management system for mixed fleets of diesel and electric shuttles using a digital twin of LAX to LA downtown traffic road network by optimizing the total combined cost of energy consumption and travel time.

This research assesses whether these technological innovations change the currently understood waste hierarchy, which prioritizes reuse or repurposing prior to recycling.

This project improved assessment of both overall probability and short-term forecasts of water level for specific locations in San Francisco Bay that are vulnerable to flooding associated with sea level rise. The authors have developed probability assessment and forecasts through developing data-based, site-specific, model-independent approaches, which can be compared with and help to improve regional models of coastal flooding. This is a pilot project that could be replicated at many other vulnerable locations around San Francisco Bay and elsewhere.

This data repository is for the "Lane-Level Localization and Map Matching for Advanced Connected and Automated Vehicle (CAV) Applications" project. This project investigated and demonstrated the utility of lane-level map-matching and localization.

To align with the principles of environmental justice, the burdens and benefits of clean energy supply chains should be distributed equitably, with decision-making processes that empower local communities to participate. As a case study, this article analyzes public meetings about a developing lithium industry in Imperial, California, and reviews relevant literature to build a research agenda that is guided by the priorities of local stakeholders.

This white paper summarizes the development of MOVES-Matrix 3.0 based on EPA’s latest MOVES model known as MOVES3 (version 3.0.4).

Traffic congestion is a significant problem in major metropolitan areas in the United States. According to the Urban Mobility Report, in 2019 commuters on average lost about 54 hours in traffic congestion. The researchers developed three approaches to rideshare routing and evaluated their effectiveness in combating traffic congestion.

This project uses results from a cohort survey of electric vehicle owners in California conducted in 2019. The respondents of the survey are sampled from the pool of California Clean Vehicle Rebate Project (CVRP) recipients, and the CVRP is administered by the Center for Sustainable Energy & California Air Resources Board.