Latest News

Policy Institute Comments on California Automated Vehicle Pilot

March 11, 2020

The UC Davis Policy Institute for Energy, Environment, and the Economy submitted comment to the State of California with support from the 3 Revolutions Policy Initiative. The comments were submitted to the California Public Utility Commission (CPUC) regarding several key topics: 

The Future of California's Super Commuters

February 26, 2020

"There’s simply not enough housing to live in the Bay Area, and even housing units are very expensive," Circella said. "So, a lot of lower-income workers cannot afford to live in San Francisco and they need to commute long distances."  Circella said their research shows that in the next 20 to 30 years, traffic is expected to become much worse. The amount of people commuting is expected to increase due to the Bay Area's strong economy and innovation providing more jobs.

Uber Linked to a Reduction in Serious Road Traffic Injuries in the UK

February 19, 2020

The study, a collaboration between researchers at Oxford, Bocconi University, and the University of California-Davis, exploited differences in the timing of the deployment of Uber across Britain to test the association between the advent of Uber’s services and rate of fatal and non-fatal accidents in those areas.

Read the news release here

Dr. Circella Elected Member of the Board of the International Association of Travel Behaviour Research.

January 29, 2020

The International Association for Travel Behaviour Research (IATBR) is an international organization of scholars, researchers, practitioners, consultants, and public agency professionals dedicated to the advancement of travel behaviour research.  The organization aims to serve as a forum that brings together professionals from a wide range of disciplines interested in the study of the factors that influence activity and travel choices of people and businesses, the formulation of new computational and analytical modeling methods and approaches for forecasting activity-travel demand, and the

Long Live Batteries

June 04, 2019

EV challenges remain but battery life is not one of them. There are lots of great reasons to drive electric. The modern plug-in electric vehicle (EV) is quiet, saves on fuel costs, requires little maintenance, and comes with thousands of dollars in purchase incentives. Downsides still exist, though.

Automated Shuttle Comes to UC Davis West Village

May 08, 2019

This electric, automated shuttle from SAIC Innovation Center is looping around UC Davis West Village now until June. Through June 1, San Jose-based Shanghai Automotive Industrial Corporation’s (SAIC) Innovation Center is demonstrating its automated, all-electric shuttle around a defined loop of the solar-panel-lined West Village community as part of an agreement between the auto company and UC Davis. 

Uber and Lyft Increased Traffic Delays in San Francisco by 40 percent

May 08, 2019
Uber and Lyft increased traffic delays in San Francisco by 40 percent

By Chelsea Whyte

Uber and Lyft drivers are on strike to demand regulated fares and livable wages, in the lead-up to Uber’s initial public offering on the stock exchange on 10 May. Now there is some more bad news for these services: they haven’t lived up to claims of reducing traffic congestion.

New Paper Published in Transportation Research Part C: Emerging Technologies: What drives the use of ridehailing in California?

May 08, 2019
Emerging Technologies: What drives the use of ridehailing in California? Ordered probit models of the usage frequency of Uber and Lyft by Farzad Alemi, Giovanni Circella, Patricia Mokhtarian, and Susan Handy Abstract

The availability of ridehailing services, such as those provided by Uberand Lyft in the U.S. market, as well as the share of trips made by these services, are continuously growing. Yet, the factors affecting the frequency of use of these services are not well understood.