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Personal testimonies show real-world effect of plugging in with Chevy Volt

At this point, there are tens of thousands of individual stories about what it's like to live with a Chevrolet Volt. But it also remains informative to take a look at one of these in depth. For example, one Atlanta-area Volt owner says he's cut his cents-per-mile ownership costs by almost 40 percent compared to his previous car primarily because of his ability to drive almost all the time on electric power. Jeffrey Cohen told Clean Technica that he put about 14,000 miles on his Volt extended-range plug-in hybrid for the year that ended October 2013, and that more than 92 percent of those were on electrons. He estimates his "lifetime" miles per gallon rating at a whopping 384 mpg, a figure pushed upward by the fact that he installed a Level 2 charger at home while his employer added an external 110-volt charger at work. Cohen is spending 45 cents a mile for his car, compared to 73 cents in his Infiniti M35. As a result, he's spending 45 cents a mile for his car, compared to 73 cents a mile with his prior vehicle, an Infiniti M35. About two-thirds of those Volt costs are for the $349-a-month lease payments, while 15 percent is insurance, 11 percent is for the charger and seven percent for the gas and electricity that actually powers the car. Helping lower that last figure is an overnight electricity rate that's about 10 percent of Cohen's daytime rate. Chevy parent General Motors hopes such testimonies will re-trigger sales for the Volt in 2014. Last year, GM sold 23,094 Volts, down 1.6 percent from 2012. We expect our readers have similar stories they'd like to share in the Comments. Related Gallery 2011 Chevrolet Volt: Review View 22 Photos News Source: Clean TechnicaImage Credit: Lead image: AP Photo/Jae C. Hong Green Chevrolet GM Electric running costs

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.

Chevy keeps teasing next Camaro, 70 percent of parts unique to it [w/video]