April 2, 2017, 5am PDT
Two widely cited University of Michigan transportation researchers urge consumers to drive more fuel efficient vehicles to reduce their own carbon emissions as President Trump works to relax vehicle fuel economy standards.
February 25, 2017, 5am PST
Next on President Trump's environmental chopping block may be a rollback of fuel efficiency standards. Two auto associations have asked EPA Administer Scott Pruitt to review a decision made last month to retain a 54.5 mpg target.
January 18, 2017, 10am PST
The U.S. Environmental Protection Agency ruled that existing technology allows for increased efficiency in model years 2022 to 2025. The 2011 rule to achieve 54.5 mpg by 2025 required a 'midterm evaluation' to see if the final target was achievable.
The Washington Post - Energy and Environment
January 10, 2017, 1pm PST
Last year set two notable vehicle records. First, the most cars ever sold, at 17.54 million. Second, light trucks accounted for almost 61 percent of all sales. Sales of more fuel efficient car fell, though electric vehicle sales increased.
July 12, 2016, 5am PDT
The auto may no longer be "the quintessential symbol of American mobility, status and independence," opines Robert J. Samuelson for The Washington Post, as the latest demographic and auto ownership data point to a change in American mobility.
June 27, 2016, 6am PDT
It's not just Americans favor SUVs and light truck over compact cars, but that a majority of EV and hybrid owners who have traded in their cars are opting for all-gas vehicles, and that spells trouble for meeting President Obama's climate goals.
The New York Times - Science
June 24, 2016, 10am PDT
Two notable transportation developments occur in California on July 1. First, a pilot road charge program begins—5,000 motorists will be charged by the mile driven. Second, the gas tax drops by 2.2 cents. An analysis by ITEP looks at both.
March 28, 2016, 10am PDT
Gas prices are on the rise, though they will remain well below 2014 levels through this year. U.S. oil production dropped by 600,000 barrels from last year, while gas consumption is on track to break the 2007 record thanks to cheap gas and more SUVs.
January 21, 2016, 1pm PST
It's not only young adults who are delaying in getting drivers licenses, but a drop in licenses among all age groups according to a new analysis of license data from 1983-2014 by the University of Michigan Transportation Research Institute.
November 8, 2015, 1pm PST
New figures from the Federal Highway Administration show no abatement in increasing vehicle miles traveled (VMT). While low oil prices have been beneficial for the environment on the production end, it is wreaking havoc on the consumption side.
September 2, 2015, 11am PDT
The University of Michigan Transportation Research Institute released its eighth report on peak motorization in the U.S., an evaluation of time spent traveling for a broad category of purposes, not just work. From 2004 to 2014, total time decreased.
The University of Michigan Transportation Research Institute
August 17, 2015, 6am PDT
According to the Census Bureau's American Community Survey on commuting to work, one subregion in the Bay Area can claim accolades for having achieved the largest drop in solo-commuting from 2006, scoring the third lowest drive-alone rate in 2013.
The Sacramento Bee - Capitol Alert
March 9, 2015, 8am PDT
Manufacturers say yes, arguing that the reduction in vehicle crashes decreases traffic congestion. Other features improve traffic flow. But these are safety technologies, not emission-reducing measures, that critics worry will water-down CAFE.
December 31, 2014, 7am PST
The effect of low gas prices on motor vehicle selection by consumers could set back President Barack Obama's climate legacy, which includes obtaining fuel economy standards of 54.5 mpg by 2025.
October 9, 2014, 7am PDT
A recent study at the University of Michigan Transportation Research Institute showed that September saw the largest decline in average fuel economy, from 25.8 mpg to 25.3 mpg, since December 2011.
January 29, 2014, 5am PST
Is there a relationship between carless households and density of college graduates? Derek Thompson of The Atlantic connected the dots using Michael Sivak's latest 'peak car' study and saw a relationship between the two variables.
September 20, 2013, 8am PDT
As a nation, we are driving less, but we are increasingly stuck in traffic. What explains this paradox? Using Portland as an example, where driving peaked in 2004, Joseph Rose attempts to explain with lots of help from transportation experts.
June 20, 2013, 10am PDT
While the decline may not be visible, total auto ownership peaked in 2008 according to a new report by Michael Sivak of the University of Michigan's Transportation Research Institute. He set out to determine the cause - was it the economic recession?