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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.

Woman trades 1914 Model T in for 2013 Corvette

We're sure that dealers must see all sorts of interesting trade ins, but this one may take the cake. Red River Chevrolet in Bossier City, Louisiana, recently had a customer come in with an odd request. Tina Boyter wanted to trade in three vehicles on a brand-new 2013 Chevy Corvette. Among the hardware was 1980 Corvette, a 1978 Cadillac Eldorado and a 1914 Ford Model T. While the '80 Corvette had been her personal car for years, the '78 Eldorado had belonged to Boyter's mother before she traded up to a Lincoln. The big Caddy had just 10,290 miles on the clock when it was traded in.
And the Model T? Boyter says the car was built as a racer by Ford, and that it had been a show winner for years when it belonged to her father. But, after spending the last 16 years in a museum with its fluids drained, Boyter decided it was time to shed some of the past. She walked into the dealer, laid eyes on a white 2LT Corvette with a red interior and offered to trade all three of the vehicles in on the sports car.
Why not wait for the C7? "I fell in love with that one when I walked in the door," She said. We can't fault her there.

Ford reveals new rapid prototyping and low-volume production techniques [w/video]

It's called "F3T," and that stands for Ford Free-form Fabrication Technology. The process that The Blue Oval has developed means being able to sidestep the weeks-long process of tool-and-die making when engineers want to construct a new part, allowing them to fabricate a three-dimensional part from a two-dimensional sheet of metal in just hours.
While F3T is being developed it is limited to "low-volume prototyping or even low-volume niche vehicles," but the next step is to evaluate it for use in Ford's global manufacturing facilities. You can find out more about it in the video and the press release below.