Although 2013 is shaping up to be comparable to 2012, some commercial fleets are increasing vehicle orders due to improved business or accelerating replacement schedules to take advantage of the strong used-vehicle market.
Automakers Must Meet 35.5 MPG Average by 2016
President Obama's proposed standards cover model years 2012-2016 and ultimately require an average fuel economy standard of 35.5 mpg in 2016.