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Hot Wheels' Twitter-enabled vending machine coughs up free Camaro diecasts

There are still plenty of companies that haven't gotten the whole social media thing down pat yet, but Hot Wheels isn't one of them. During the recent Canadian International Auto Show in Toronto, Hot Wheels created a lot of buzz for itself by using a vending machine filled with Chevrolet Camaro models, but instead of money to get the cars, show attendees just had to use Twitter.
To get the free car, people were asked to send a tweet to Hot Wheels Canada saying what they liked about the new Hot Wheels Edition Camaro, and including the #ChevyCIAS hashtag. This seemed to be a popular marketing tool, too, as AdWeek reports that the @HotWheelsCanada account more than tripled in followers during the course of the 10-day show. Looking ahead, this could open up even more innovative marketing possibilities using social media.
Check out the video posted below to watch how it works, and while the auto show has ended and the free-car giveaway has too, we're almost certain that some of the 1,500 freebies will make their way onto eBay.

2018 Ford Expedition vs other big SUVs: How it compares on paper

With our Alex Kierstein rightly impressed in his first-drive review of the new 2018 Ford Expedition, we decided to dig a little deeper into the numbers, and we came up with the spreadsheet below to highlight how the new 2018 Expedition compares on paper to its main full-size SUV competitors: the 2018 Chevy Tahoe and Suburban (and therefore the 2018 GMC Yukon), 2018 Toyota Sequoia and 2018 Nissan Armada. We also threw in the new, even bigger 2018 Chevrolet Traverse since, as you'll see, its massive dimensions should put it on the radar for anyone who needs loads of passenger and cargo space but doesn't care as much about towing. A few notes about the chart above. First, the 6.2-liter V8 that's included with the new-for-2018 Tahoe RST trim level is the standard engine on the GMC Yukon Denali. You can apply most of the Tahoe's numbers to the entire Yukon and Yukon XL lineup. Second, though we highlighted categories where the Traverse led, we also highlighted the runner-up full-size SUV, since this was ultimately about that segment. Traverse numbers are broadly applicable to the new Buick Enclave. Related Video: Chevrolet Ford GMC Nissan Toyota SUV Comparison consumer ford expedition gmc yukon chevy traverse toyota sequoia nissan armada chevrolet tahoe ford expedition max

Why does the Corvette Stingray have so many vents? Here's why

Just looking at the new 2014 Chevrolet Corvette Stingray, it's not hard to see that the car's design was created with aerodynamics at the forefront, but Chevrolet designers point out exactly what went into designing the iconic coupe in a pair of recently released videos. The videos show the Corvette going through early design phases, including clay models and wind tunnel tests, as well as talking to the car's chief engineer, Tadge Juechter.
Both videos help explain various aspects of the C7 Corvette, but it's the aero tuning of the car that is most interesting. This includes extra attention paid to the lower air dam and vented hood to help reduce drag and lift, while the rear quarter inlets are for differential and transmission cooling. Juechter said that some of these aero-tuned elements were inspired from GM's involvement in racing.
If you have about five minutes and you can't get enough information about the new 'Vette, then check out the videos posted below.