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Cadillac CT6 production ceases January 2020 as part of D-Ham layoffs

General Motors filed paperwork under the Worker Adjustment and Retraining Notification Act with Michigan's Department of Labor and Economic Opportunity this week, detailing events to come at the automaker's Detroit-Hamtramck Assembly Plant. Starting February 28, 814 salaried and hourly workers at D-Ham, as its called, will be laid off. The 753 workers represented by the UAW will begin receiving offers in January to relocate to facilities in Michigan and Ohio, or buyout offers. As the 4-million-square-foot plant winds down through April 3 to a skeleton crew, the Cadillac CT6 ceases production in January 2020, and the last Chevrolet Impala comes off the line on February 28. The loss of the CT6 represents the end of Cadillac's latest brief, and highly regarded, adventure into flagship sedans. It might also mean the end of the 4.2-liter Blackwing twin-turbo V8 engine, at least for the moment. Both casualties are calamities. The death of the Impala closes the door on a nameplate in production for 52 years since 1957, having started off as a top-tier trim for the 1958 Bel Air known as the Bel Air Impala, once advertised with the line, "Lets you know you're the boss." As part of the new four-year labor agreement with the UAW, GM is keeping D-Ham open to build a new line of battery-electric vehicles, ultimately investing $3 billion and tripling employment to 2,225 workers when fully operational. The agreement described the coming EV as a "van" that would commence production in late 2021, but various reports say what's actually coming is a range of premium EVs in pickup and SUV bodystyles under the program codename BT1. The easy predictions put an electric GMC Sierra and Cadillac Escalade among the EV fold, but not until 2023, according to auto industry forecaster LMC Automotive. Before that, LMC claims an electric van will debut in late 2021, along with a battery-powered rebirth of the Hummer brand in pickup and SUV forms, also in late 2021. 

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

Editors' Picks February 2021 | Ford F-150, Genesis GV80, Mazda CX-30 and more

If we’ve driven and reviewed it, thereÂ’s an Autoblog Rating for it. ItÂ’s been over two years since we launched a new rating system to help you evaluate cars at a glance. We tweaked and improved it along the way and quickly arrived at a consistent process for giving each and every car on sale today a fair score. Cars that are exemplary or stand out in their respective segments get EditorsÂ’ Pick status. Those are the ones weÂ’d recommend to our friends, family and anybody whoÂ’s curious and asks the question. Every car we rate gets a score from 1 to 10, making it easy for you to tell if itÂ’s a car worth pursuing and possibly purchasing. YouÂ’ll find the scores of previously-rated cars attached toward the top of our written reviews. For example, the Bronco SportÂ’s rating can be found here. The Acura TLXÂ’s rating is in this post, and the Nissan RogueÂ’s rating is right here. There are hundreds of examples to be found. The above examples make up the most natural ways to find the Autoblog rating when researching for your next car, but starting today, weÂ’re going to begin calling out each new set of Editors' Picks per month in their own breakout stories. This will put the newest and most recently refreshed cars on sale on a pedestal for you to see which ones are worth your while. WeÂ’ll typically rate anywhere between 5-10 new cars per month, so you can count on just a select few from those to make this list. Expect to see this recurring ratings post each month going forward, and read on for FebruaryÂ’s EditorsÂ’ Picks.   2021 Genesis GV80 2021 Genesis GV80 View 18 Photos Quick take: The stylish GV80 offers useful safety features, compelling design and sporty dynamics to push it near the top of the segment. Genesis takes risks with this aggressive crossover, and the result is a luxurious vehicle that is rewarding to drive. Score: 8.5 What it competes with: Lincoln Aviator, Volvo XC90, BMW X5, Mercedes-Benz GLE-Class, Acura MDX, Lexus RX Pros: Beautiful design, good road manners, awesome value Cons: Small third row and cargo space, less comfortable standard suspension  From the editors: Editor-in-Chief Greg Migliore — “The GV80 is a hugely important vehicle for Genesis. It makes a style statement, has an elegant interior and is a compelling all-round execution. It looks like a Bentley, and I give Genesis props for taking some risks with the GV80 and largely pulling it all off.