2014 Ford F150 King Ranch 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.

Ford Explorer is America's new favorite police car

There is a new vehicle that you should keep an eye out for when you're going a little too fast down the Interstate. Ford's Explorer-based Police Interceptor Utility was the bestselling new law enforcement model in the country last year, and signs show that won't be changing anytime soon.
Ford sold 14,086 Interceptor Utilities in 2013, up 140% from the year before, and 10,897 Interceptor Sedans, up 31%, according to USA Today. Overall, the brand's police sales were up 48 percent, and they were enough to boost the company's law enforcement vehicle market share by 9 points to nearly 50 percent.
The success comes just a few years after it made the decision to finally retire the long-serving Crown Victoria-based cruiser for two more modern vehicles. "We had to reinvent the category," said Chris Terry of Ford Communications to Autoblog. The automaker had to convince police departments that a unibody chassis without a V8 could perform better than a model that had been a law enforcement staple for years.

Is Tesla's next project an F-150 competitor? [w/poll]

What's the future look like for Tesla after it launches the Model X CUV and possibly a smaller, sub-Model S sedan? Would you believe a pickup truck? Yes, Tesla could be looking to use its EV know-how to take the fight to Ford and the F-150, based on comments made by company founder Elon Musk.
"If you're trying to replace the most gasoline miles driven, you have to look at what people are buying," Musk said during an impromptu Q&A session following a speech at Business Insider's Ignition conference. "[The F-150 is] the best selling car in America. If people are voting that's their car, then that's the car we have to deliver."
And while the idea of electric pickup may sound kind of absurd to some, Musk makes a very valid point - if Tesla's goal is to replace gas miles with electrical miles, it simply can't afford to ignore pickups.