2013 Ford Escape Se 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.

How Ford hid the 2015 Mustang from spy photographers

Now that we've finally seen the 2015 Ford Mustang, it's fun to go back and look at the spy shots we spent months pouring over, trying to dissect what was under all the camouflage. For the most part, Ford did a good job of concealing the car from spy photographers, and it released a video showing how much work went into doing so.
As crude as the Mustang's camo looked, all of the hard plastic, foam, vinyl and ratchet straps were actually created and put in place by a specific design team. The whole idea was to hide the car's identity, but it certainly ended up acting as a magnet for attention, too. According to Ford's press release, it took less than an hour for spy shots to appear online after the car was taken on public roads for the very first time - this is likely in reference to our first official spy shots of the Mustang from June, shown in the gallery below.
Scroll down for a press release and video, which shows footage of the 2015 Ford Mustang testing with minimal camouflage. This is probably the same track session where we got our first look at the Mustang's face back in August.

eBay Find of the Day: 1970 Ford Torino King Cobra prototype

Over the last decade or so, competition in NASCAR has led to some pretty funky looking racecars. And when the sport was still up and coming, the tight competition actually led to some interesting production cars. The Dodge Charger Daytona and Plymouth Superbird are perhaps the most well-known cars of the sport's "aero wars" era but the Ford Torino King Cobra might have been the most memorable of all, if not for some different homologation rules established in 1970. The Torino King Cobra never made it to production and never competed in NASCAR, but three examples exist including this one now for sale on eBay.
Designed as a successor for the aero-tuned Torino Talladega, the Torino King Cobra has a sleeker front end with hidden headlights and a sloped nose. As the story goes, NASCAR made a rule change in 1970 requiring 3,000 of the vehicles to be produced, which was substantially more than the 500 units required by the previous rule. One of the three prototypes ever built - and the only one built with the Boss 429 engine - is now for sale on eBay with a starting bid of $500,000. With a little more than three days left on the auction there are still no bids, but in the grand scheme of things this seems like a relatively fair price for a rare piece of automobile and racing history.