1971 Chevelle 502 on 2040-cars

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Watch how Corvette Racing's new collision-avoidance radar system works

When it comes to technology used in racecars, we generally expect it to trickle down to production cars, not the other way around. Well, Pratt & Miller has developed a new rear-facing radar that operates in a similar fashion to what we're used to in modern blind spot detection systems, only it is also capable of tracking cars as they approach and relaying vital information to the driver via a large display screen.
The innovative radar system debuted at last weekend's 12 Hours of Sebring for Corvette Racing, and this system makes perfect sense for endurance races like this since the cars sometimes have to drive through the night and in poor weather conditions.
The radar can detect cars even with poor visibility, and uses easy-to-distinguish symbols for the driver to identify.

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.

Consumer Reports criticizes small turbo engines for misleading performance, fuel economy claims [w/video]

Consumer Reports has taken aim at at small-displacement, forced-induction engines, saying the powerplants don't manage to deliver on automaker fuel economy claims. Manufacturers have long held that smaller, turbocharged engines pack all power of their larger displacement cousins with significantly better fuel economy, but the research organization says that despite scoring high EPA economy numbers, the engines are no better than conventional drivetrains in both categories. Jake Fisher, director of automotive testing for Consumer Reports, says the forced induction options "are often slower and less fuel efficient than larger four and six-cylinder engines."
Specifically, CR calls out the new Ford Fusion equipped with the automaker's Ecoboost 1.6-liter four-cylinder engine. The institute's researchers found the engine, which is a $795 option over the base 2.5-liter four-cylinder, fails to match competitors in acceleration and served up 25 miles per gallon in testing, putting the sedan dead last among other midsize options.
The Chevrolet Cruze, Hyundai Sonata Turbo and Ford Escape 2.0T all got dinged for the same troubles, though Consumer Reports has found the turbo 2.0-liter four-cylinder in the BMW 328i does deliver on its promises. You can check out the full press release below. You can also read the full study on the Consumer Reports site, or scroll down for a short video recap.