48.5 MPG Ford Mustang?

How many laps can a 2011 Ford Mustang V6 complete on one tank of gas? http://MPGomatic.com reports from "the World's Fastest 1/2 Mile," Bristol Motor Speedway. While the test was completed at just a fraction of NASCAR speeds, the new V6 packs plenty of punch, with 305 horsepower and low five-second 0-60 MPH times.

Mustang Vehicle Engineering Manager, Tom Barnes explains how the Mustang engineering team was able to achieve both excellent performance and fuel economy.

It's important to note that this test was performed under controlled conditions. With the automatic transmission in sixth gear, the Mustang loafed happily around the track at slightly above idle.

How do you move the Planet Forward? Tweet us @planet_forward or contribute to the conversation with your own story.