The Transportation Research Institute at the University of Michigan (UMTRI) has concluded that the average fuel economy for passenger vehicle’s in the U.S. is greatly improving, having risen to over 24 MPG for the first time in history.
Michael Sivak and Brandon Schoettle, researchers for UMTRI, found that vehicle’s sold in March of 2012 had an average MPG of 24.1, increased from 23.9 in February, and 23.6 in January. These researchers began tracking fuel economy trends in October of 2007, since then the average MPG has risen 20%.
Additionally, UMTRI also measures greenhouse gases emitted per driver per new vehicle. They keep track of their results on an Eco Driving Index, which is down to 0.83, 17% lower than in October 2007.