2014 Ford F150 Xlt on 2040-cars

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Which is more fuel efficient, driving with a pickup's tailgate up or down?

Thanks to the smoke wand in the wind tunnel, you can actually see the difference in our video.
Should you drive with your pickup truck's tailgate up or down? It's an age-old controversy that's divided drivers for decades. Traditionalists will swear you should leave the tailgate down. Makes sense, right? It would seem to let the air flow more cleanly over the body and through the bed. But there's also a school of thought that argues trucks are designed to look and operate in a specific manner, and modern design techniques can help channel the airflow properly. So don't mess with all of that: Leave the tailgate up.

US Air Force Thunderbirds Mustang fetches $400K at auction

For the last six years, Ford has created a special version of the Mustang with a military aviation theme, and then donated the car to the Experimental Aircraft Association (EAA) to be auctioned off at the annual AirVenture event, also known as The World's Greatest Aviation Celebration. The money raised goes to the EAA Young Eagles program to inspire the "aviation pioneers of tomorrow," and this year's 2014 Ford Mustang GT US Air Force Thunderbirds Edition was won with a final bid of $398,000.
Celebrating 60 years of the USAF's Thunderbirds, this Mustang GT is the only one of its kind with a paint job matching the Thunderbirds' F-16 Falcon jets and some Ford Racing performance added on for good measure. Including this car, Ford has helped raise around $2.3 million for the charity with the biggest auction price coming from the first year of the program, the F-22 Raptor-inspired Mustang AV8R from 2008, which sold for $500,000.

A closer look at the 2015 Ford F-150

Despite having to share Ford's Detroit Auto Show stand with the hot new 2015 Mustang, the brand-new F-150 was arguably an even more important debut. Why? Ford moved some 700,000 examples of its F-Series truck in 2012, making it not only the best-selling pickup truck, but the top-selling vehicle in the US, by a long-shot.
The 2015 F-150 raises the bar for pickup trucks in a big way, with big-time use of aluminum. Because of this, roughly 700 pounds have been removed from the truck's overall weight, making it even more efficient than before, while still offering all of the capability that pickup owners expect. And with a host of engines under the hood, including a new 2.7-liter EcoBoost V6, the 2015 F-150 will surely offer something for everyone.
During the Detroit Auto Show, west coast editor Michael Harley took a closer look at the new F-150, talking to some of the truck's engineers. Have a look at the full video, below.