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2015 Ford F-150 enters production

Ford has given the F-150 a dramatic makeover for 2015, switching to an aluminum body that helps reduce weight by about 700 pounds. Because the truck is dramatically different, Ford also had to change the way it makes the F-150, so we went inside its sprawling factory in Dearborn, MI, this week to see the Blue Oval's new manufacturing techniques in action.
The company has added 850 jobs at the site and upgraded its stamping and tool and die facilities. The body shop is also modernized, and it has been fitted with 500 new robots that join the structures together. The first 2015 F-150 rolled off the line on Tuesday, and the trucks will begin arriving in dealerships in December. Get a closer look at the F-150's unique assembly process in our video.

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.

Mysterious small Ford spied in Germany

Our spy photographers have just popped off a few shots of something curious. This little runabout was spotted in Germany out testing with a current-generation Ford Fiesta. We're fairly confident the machine is a Ford, but exactly which Ford model is up for debate. The hatchback could be the next-generation Ka, but we've also heard that the Blue Oval supermini might not get a replacement. Our shooter says the five-door is a bit smaller than the current Fiesta, though there is a chance that this rig is just an engineering mule for drivetrain development. Then again, it could be a model built specifically for the South African market or China, or not a Ford at all.
Whatever it is and wherever it's headed, you can check out in the gallery for a closer look before heading into Comments to weigh in with your best guess.