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Chevy reveals new IndyCar aero package

The IndyCar Series is not one that demands its participating teams and automakers to design their own chassis as they do in Formula One, but for this season, the organizers have opened it up to allow for custom aero packages. What you're looking at here is the new look of the chassis to be fielded by teams running under Chevy power. Based on the Dallara DW12 chassis – introduced three years ago and named after the late Dan Wheldon – Chevy's new package is designed for road courses and short ovals, with the speedway configuration to be revealed later. The kit features new wings front and rear and more sculpted side pods. It's also got new wedges at the back to envelop the otherwise open wheels that are a hallmark of Indy racing, a more streamlined engine cover and bigger rear bumper pods. The new package will debut at the Grand Prix of St. Petersburg that will kick off this year's championship in Florida on March 29, followed by the road-course grands prix in Louisiana, Long Beach, Alabama and Indianapolis before the new package needs to be ready for the Indy 500 late in May. Half of the teams on the starting grid this season will be running under Chevy power and are expected to use this new aero kit, with the remaining Honda teams slated to run a different package of their own. Chevrolet Debuts All-New 2015 IndyCar Aero Package Chevy-developed bodywork delivers improved aerodynamics 2015-02-17 INDIANAPOLIS – Chevrolet-powered racecars in the 2015 Verizon IndyCar Series will feature Chevrolet-developed aero packages. Chevrolet introduced the road course/short oval body design today at the Indianapolis Motor Speedway. It is distinguished from the previous racecar with new front wing elements, sculpted side pods and a new rear wing. A speedway configuration for the aero kit, designed for high-speed ovals, will be introduced ahead of its competitive debut at Indianapolis in May. "This is an important milestone in Chevrolet's involvement in IndyCar racing," said Jim Campbell, General Motors U.S. vice president of Performance Vehicles and Motorsports. "We focused on developing an aerodynamic package that delivers an balanced combination of downforce and drag, along with integrated engine performance. It's a total performance package." The new Chevy road course aero configuration delivers greater aerodynamic performance than the previous design.

Autoblog Minute: Finalists announced for 2016 Tech of the Year award

Here are the finalists for Autoblog's 2016 Technology of the Year award. Autoblog's Chris McGraw reports on this edition of Autoblog Minute, with commentary from Autoblog executive producer Adam Morath, AutoblogGreen editor-in-chief Sebastian Blanco, and Autoblog senior editor Alex Kierstein. Show full video transcript text [00:00:00] It's Fall here in Detroit and for us that means it's time for football, autumn beers, and the fourth annual Autoblog Tech of the Year awards. I'm Chris McGraw and this is your Autoblog Minute. Tech of the Year is one of our favorite things here at Autoblog. It's a time when we get celebrate all the best tech from the industry we love most. [00:00:30] - [00:01:00] [Commentary form Adam Morath, Sebastian Blanco, Alex Kierstein] Past winners include, Tesla's Supercharger network, FCA's Uconnect system and the BMW i8. In 2016 we're doing something a little different for Tech of the Year. We've separated our award into two categories. One award for best tech car, and a second award for best technology of the year. The nominees for best car in 2016 are: [00:01:30] the Tesla Model S, the Chevrolet Volt, and the BMW 7 series. The nominees for best tech in 2016 are: Apple CarPlay, Android Auto, Volkswagen's MiB II with AppConnect, Ford Sync 3, Audi's Virtual Cockpit, the Smart Cross Connect App, and Volvo Sensus. [00:02:00] We're going to announce Autoblog's Tech of the Year winners in January at the 2016 North American International Auto Show, in Detroit. For Autoblog, I'm Chris McGraw. Autoblog Minute is a short-form video news series reporting on all things automotive. Each segment offers a quick and clear picture of what's happening in the automotive industry from the perspective of Autoblog's expert editorial staff, auto executives, and industry professionals. Green BMW Chevrolet Ford Hummer smart Tesla Volkswagen Volvo Technology Infotainment Autoblog Minute Videos Original Video

GM patent reveals new two-stage turbocharger

Modern turbochargers may be some of the best ever made, but performance is something that engineers are always trying to improve. According to GM Inside News, General Motors (GM) is hoping to alleviate some of the negative aspects of a two-stage turbocharger setup with a newly-patented design. The patent, that was filed on May 19, 2016, reveals a clever bypass system that allows the engine, a four-cylinder unit, to optimize both the low-pressure and high-pressure inlets for its respective functions. According to the filing, a conventional two-stage turbocharger setup is engineered to allow both turbines to operate simultaneously at low and mid engine speeds. At high engine speeds, only the low-pressure turbine works. The setup can't isolate either the low or high pressure side, which can impair low-end performance. GM's new two-stage turbocharger setup looks to eliminate this by linking the high-pressure turbo to the exhaust manifold through the high-pressure inlet duct. The low-pressure turbo is attached to the high-pressure turbo by a low-pressure inlet duct, which is linked to a connecting channel. A single actuator that is housed in the exhaust manifold creates a bypass that can opens the high-pressure inlet or close the connecting channel. Depending on what the engine load and speed is, the ECU guides the actuator—a single rotating spindle with discs corresponding to flanges on the high and low pressure sides—to isolate one of the two turbos. Isolating the turbos allow the respective inlets to be engineered for the best possible fluid dynamic performance. The setup should increase performance and decrease lag. There's no word on what car this setup will make an appearance on, but it will most likely be used in premium vehicles before trickling down to the rest of GM's vehicles. Related Video: News Source: GM Inside News, AutoGuide via GM Authority Cadillac Chevrolet GM Technology Sedan turbo patent engine turbocharging