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.
Oct 9, 2014 24/7 Wall Street
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.
Jan 29, 2014 The Atlantic
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.
Sep 20, 2013 The Oregonian
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?
Jun 20, 2013 The Atlantic