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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.

GM will stop reporting monthly U.S. vehicle sales

DETROIT — General Motors said on Tuesday it will stop reporting monthly U.S. vehicle sales, saying the 30-day snapshot does not accurately reflect the market, and will instead issue quarterly sales. GM will also no longer report monthly sales in China, its largest market, and Brazil. GM will provide monthly data to the U.S. Federal Reserve, industry associations and government agencies across the globe, but that data is not made public. Analysts and investors rely on monthly U.S. vehicle sales not just to track the performance of individual automakers, but as a barometer of the health of the world's second-largest auto market and as an indicator of consumer confidence in the U.S. economy overall. GM and its Detroit rivals Ford and Fiat Chrysler have relied heavily on sales of high-margin pickup truck and SUV sales to boost profits. GM's total U.S. sales, its second-largest market, are down 3.2 percent for the first two months of 2018, reflecting a 6.8 percent drop in retail sales to individual customers, the company reported last month. GM executives have expressed frustration that comparisons of monthly U.S. sales results among rival automakers are distorted by short-term discount programs, and by differences in strategy for selling vehicles in bulk to rental car fleets. "Thirty days is not enough time to separate real sales trends from short-term fluctuations in a very dynamic, highly competitive market," Kurt McNeil, U.S. vice president for sales operations said in a statement. GM's actions could prompt other automakers to also switch to quarterly U.S. sales reports. Major automakers will report March U.S. new vehicle sales on Tuesday. Until the early 1990s, most U.S. automakers released sales results every 10 days. The former Chrysler Corp. stopped reporting sales on a 10-day basis in 1990, and rivals followed suit over the next three years. GM executives are betting that investors will quickly adapt to receiving U.S. sales data every three months, as investors in other retail sectors already have. Retailers such as Walmart report sales on a quarterly basis. Reporting by Joe WhiteRelated Video: Image Credit: Reuters Earnings/Financials Green Buick Cadillac Chevrolet GM GMC US

Callaway rolls out radical Corvette C7 GT3-R at Hockenheim

Leave it to Callaway to take a badass Corvette and make it even more so. Case in point: the new Callaway Corvette C7 GT3-R you see here. It made its big debut this past weekend during the season finale for the ADAC GT Masters series at the legendary Hockenheimring – the on-again, off-again home of the German Grand Prix. Why in Germany, you ask? Because that's where Callaway Competition is based. The racing division got its start in Heilbronn as Woeher & Ciccone back in 1985. It joined with US-based Callaway Cars in 1988 to distribute its modified Corvettes in Europe, and branched out into constructing racing cars in 1994. And this is its latest project. Designed in partnership between Callaway Competition in Germany and Canadian designer Paul Deutschman, the new GT3-R replaces the previous C6-based Z06.R GT3. It packs a 6.2-liter V8 pumping 600 horsepower through an X-Trac six-speed sequential gearbox. And as you can see, it sure looks the part. Callaway will be offering the new GT3-R to privateer teams for entry in a variety of racing series around the world. But it'll also be fielding the example you see here, sponsored by Whelen Engineering that – like Callaway Cars – is based in Connecticut. Callaway Corvette C7 GT3-R World Debut at Hockenheim October 3, 2015 Hockenheim, Germany – October 3, 2015 – This weekend's ADAC GT Masters Season Finale was the backdrop for the unveiling of Callaway Competition's new Callaway Corvette C7 GT3-R. Following a brief presentation to media and invited guests, the successor of the C6-based Callaway Z06.R GT3 was displayed to the public for the first time on October 3, 2015 at the Hockenheimring in Germany. Constructors of GT race cars since 1990 and based in Leingarten Germany, Callaway Competition possesses a wealth of experience, technical know-how and a broad network of specialized professional partners. These elements were crucial to conduct such a large undertaking. After nearly two years of comprehensive planning, intensive development and expert fabrication of vehicle components, Callaway Competition completed the first C7 GT3-R just a few weeks ago. Its striking design comes as a result of the collaboration between Canadian designer Paul Deutschman and team owners Giovanni Ciccone and Ernst Wohr. Mike Gramke, Uwe Hoffmann, Florian Mohring and Andre Zanke were also heavily involved in the vehicle's development.