0 to 54 MPG in 11 Years

In the United States, average fuel economy in light duty vehicles (most retail cars and trucks) is about 30 miles per gallon and rising, but by 2025, vehicles will have to average 54.5 miles per gallon. Automakers are now scrambling to come up with new ideas to deliver the same performance consumers expect with better fuel efficiency. 

 A Nissan Altima mounted on a dynamometer at EPA's fuel efficiency testing lab

A Nissan Altima mounted on a dynamometer at EPA's fuel efficiency testing lab