2014 Ford Explorer Limited 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.

40+ cars that barely avoid the gas guzzler tax

The Gas Guzzler schedule, with mpg ratings and charges that haven't changed since 1991, lays out which fuel-swillers owe what to Uncle Sam.
I started thinking about the "Gas Guzzler Tax" - considerably less well known as The Energy Tax Act of 1978 - when I was driving Dodge's new Challenger SRT Hellcat last week. Unsurprisingly for a car that can burn 1.5 gallons of gas per minute at max tilt, theoretically able to empty a full tank of premium in about 13 minutes, the Hellcat will be subject to the Gas Guzzler Tax schedule when it goes on sale.

Production of Shelby GT350 is coming to an end

One Autoblog staffer who drove the limited-edition Shelby GT350 wrote it probably was the best Mustang he'd driven, but, at some point, the fun had to come to an end: December 31 is the last day the GT350 will be available to order.
The GT350's option list has evolved much like it did for the original 1965-67 GT350. For 2011, the 45th Anniversary edition only came in coupe form and was painted white with blue stripes, just as with the 1965 car. The 2012 GT350 was offered as a coupe or convertible, and three colors were added to the option list, just like the 1966 model. For 2013, more colors and options were added in addition to equipment and styling updates, which resulted in Wilwood instead of Baer brakes. No major changes were made for the 2014 model. From the first car in 2011, customers have been able to choose between three different configurations for their 5.0-liter V8: naturally aspirated with 440 horsepower, supercharged with 525 hp (with warranty) or supercharged with 624 hp (without warranty).
"When we unveiled this latest version of the Shelby GT350, we promised it would be built for a limited time to preserve its collectability and value," states John Luft, president of Shelby American. He may have a point, because the original GT350, which also had a limited production run, is among the most valuable muscle cars in the world.