As the sales of SUVs and pickups leveled off in January, the average fuel economy of light vehicles purchased in the U.S. that month went up from December, albeit slightly, a University of Michigan Transportation Research Institute report said.
As the sales of SUVs and pickups leveled off in January, the average fuel economy of light vehicles purchased in the U.S. that month went up from December, albeit slightly, a University of Michigan Transportation Research Institute report said.