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Callaway debuts its new C7 Stingray at National Corvette Museum

Callaway showed off its first tuned version of the 2014 Corvette Stingray at the National Corvette Museum last week, giving the rampant enthusiasts of America's sports car a look at the roughly 620-horsepower, supercharged rocket.
Unlike the Corvette SC610 we showed you back in January, this Stingray packs a fair bit more oomph. Horsepower is only up ten ponies, but torque has jumped from 556 pound-feet to "at least" 600 pound-feet. Neither horsepower nor torque is official quite yet, although Callaway is expecting to know just what its creation can do once testing and validation is completed later this month.
The 6.2-liter, supercharged V8 now boasts a new, three-element intercooler, which Callaway claims only allowed the inlet air temperature to increase by ten degrees Fahrenheit during dyno runs. Previous designs saw a 35-degree-Fahrenheit jump. The exhaust system has also been fettled with, and now is even less restrictive.

Recharge Wrap-up: Chevy Volt named KBB "Best Buy," slow BMW i3 sales in Germany

The Chevrolet Volt has been awarded Kelley Blue Book's Electric/Hybrid Car Best Buy for 2015. KBB cited the car's electric commuter capabilities, extended range, acceleration, design and overall value as reasons to place it above the Nissan Leaf, BMW i3 and Toyota Prius. It works well in the real world, and doesn't leave drivers with range anxiety. Plus, it's comfortable, and a fun car to drive, according to KBB. Read more at Kelley Blue Book. The BMW i3 is seeing slow sales in Germany. BMW has sold about half the number of i3s it expected in its home country, with about 1,900 sold in the first nine months. BMW projected sales of 5,000 to 6,000 in the first year. BMW partly blames long shipping times for the slow sales, and the company is offering incentives in hopes of getting more people to adopt the electric car. In the US, BMW sold more than 1,000 units each month between August and October. Read more at Green Car Reports. Audi is pursuing new carbon-neutral synthetic fuels - or e-fuels - such as Audi e-diesel. Audi's newest project uses electrolysis of water to create hydrogen, which it then reacts with CO2 extracted from the air. The result is a liquid - called Blue Crude - full of energy from hydrocarbon compounds. The Blue Crude can then be converted into a sulfur-free synthetic diesel called e-diesel. This e-diesel can be used as a drop-in fuel, blended into fossil diesel for a more renewable fuel. Read more at Hybrid Cars. Uber is partnering with Spotify to allow passengers to choose what music they listen to during their ride. Users will be able to choose their own playlist that will be ready and playing for them when they are picked up. It offers a more personalized experience from the ride-hailing service, which, according to Uber CEO Travis Kalanick, is "nirvana" for music lovers. Paying Spotify users will be able to use the feature initially in London, Los Angeles, Mexico City, Nashville, New York, San Francisco, Singapore, Stockholm, Sydney and Toronto. Check out the video below and read more at Wired. Featured Gallery 2014 Chevrolet Volt View 11 Photos Related Gallery 2014 BMW i3: First Drive View 33 Photos News Source: Kelley Blue Book, Green Car Reports, Hybrid Cars, WiredImage Credit: Chevrolet Green Audi BMW Chevrolet Transportation Alternatives Technology Emerging Technologies Electric Videos recharge wrapup

Driving Granatelli's turbine-powered 1978 Chevy Corvette [w/video]

With its curvy snout and feminine haunches, the third-gen Chevrolet Corvette looks like a dreamy – if dated – exemplar of Sports Car Fantasy 101 when viewed through modern eyes. This particular specimen circa '78, clad in silver and black paint with red pinstripes, appears to be a well-preserved example from the era. Apart from its low-profile Pirellis, slightly raised and slotted hood, spacious stance and a certain hand-painted descriptor alongside its crossed flag logos, you'd never guess there's a Space-Age propulsion unit powering this Coke bottle-bodied ride. Climb inside, and you're presented with aircraft gauges and big, colorful square buttons in the center panel. It takes a push of the "Ignitor" button, a tap of the starter button, and a slide of a T-handle for this nearly 40-year-old sports car to start sounding like Gulfstream G650 ready for takeoff. Yep, you're sitting in an 880-horsepower, turbine-powered Corvette, the only one of its kind in the world. Welcome to the whoosh. What The...? Built by Vince Granatelli, son of Indy 500 guru Andy Granatelli, this curious Corvette came into being by cramming a Pratt & Whitney ST6N-74 gas turbine engine into the donor car's lengthy front end. The same type of Jet A-burning mill powered Granatelli Senior's STP-sponsored racecar at the 1967 Indianapolis 500, where it famously led most of the 198 of 200 laps until a $6 transmission bearing failed, knocking it out of the race. The idea of turbine power usurping internal combustion was so threatening that Indy's governing body restricted turbine performance into obsolescence thereafter. A turbine-powered Corvette sounds excessive because it is. But there are also things about this 880-horsepower, 1,161-pound-feet monster that might surprise you. While it smacks of futurist exoticism and cost a then-dizzying $37,000 in 1967, the Canadian-built powerplant uses 80 percent fewer parts than an internal combustion V8 and will run on virtually anything combustible – whiskey, diesel, even Chanel No. 5. Though it's triple the length of a V8, the Pratt & Whitney beast weighs only 285 pounds. It's also one hell of a robust workhorse, typically serving as an auxiliary power unit for commercial aircraft or a generator in oil fields, where it can run for tens of thousands of consecutive hours before needing an overhaul. To adapt the Chevrolet for jet duty, the nose section was gutted and a sub-frame was built to compensate for the loosey-goosey front end.