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Cadillac CT4 and CT5 high-performance V cars spied

This summer, Cadillac teased much more impressive V-series models than the lukewarm CT4-V and CT5-V. Now we get a better look at both super sedans, each one boasting more aggressive, but subtle visual upgrades. Normally we would talk about the visual changes to each car individually, but the changes are nearly identical between the cars. They both get deeper chin spoilers and lower side skirts. The lower grille opening now features slatted sections on either end. The headlights, main grille and hood all look unchanged from the regular V models. The same goes for the rear bumpers and tailpipes. The rear spoilers on both are much taller, though. The wheels on the CT4 look about the same as the CT4-V, but the CT5 wheels look a bit different with more detail. We also get a good look at the wheel-filling brakes. Cadillac hasn't said anything concrete about the specifications of the hotter CT4 and CT5 models, except that they'll definitely be faster than the revealed V models. One thing we do know, thanks to our spy photographer's video from earlier this year (shown above), the CT5 will get a V8. Our bet is on it being the Blackwing twin-turbo V8 that's available in the CT6-V and CT6 Platinum. It would probably have at least the same output at the CT6-V at 550 horsepower and 640 pound-feet of torque. Expect the 10-speed automatic transmission to carry over with it. This drivetrain would also open up the possibility of all-wheel drive. As for the fast CT4, it could potentially revive the ATS-V's twin-turbo V6 with 464 horsepower and 445 pound-feet of torque. It would probably also get a 10-speed automatic and maybe all-wheel drive as an option.

Recharge Wrap-up: Cadillac CT6 Plug-In on sale in China, Oregon utilities spur EV adoption

The Cadillac CT6 Plug-In is now available in China. The luxury plug-in hybrid sedan uses a turbocharged 2.0-liter engine plus two electric motors, which give the car a 0-62 mph time of 5.4 seconds. Its liquid-cooled 18.4-kWh lithium-ion battery pack gives the car an all-electric range of 50 miles, with a total range of 581 miles. Cadillac offers a 200V charger with the CT6 Plug-In, which provides a full charge in less than five hours. Owners can check charging status remotely using OnStar or the MyCadillac app. The CT6 Plug-In is offered in two variants, priced at about $80,400 and $94,800. Read more from GM. Two Oregon utilities are launching a program to increase EV adoption. Portland General Electric (PGE) will build six charging locations, each with up to four dual-standard fast chargers. PGE will also build and operate charging sites for electric buses, freeing up money for Portland's TriMet transit agency to spend on the actual buses. Pacific Power will also build public EV chargers, and lower some electricity rates for operators. Both companies will also work to inform the public about the benefits of electric mobility. Oregon utilities are required to stop using coal by 2030, and use 50 percent renewable energy by 2040, which will make EVs even cleaner. Read more at Green Car Reports. Continental says a shift to EVs will cost its company jobs. The automotive parts supplier's CEO, Elmar Degenhart, says that while the company will need to cut production jobs, those will be offset at least in part by the creation of new positions related to electric mobility. "There is enough time to design the process such that the blow is softened and major pain can be avoided," says Degenhart. Some 30,000 jobs at Continental are tied to combustion engines. Read more at Automotive News Europe. Featured Gallery 2017 Cadillac CT6 Plug-in Hybrid View 15 Photos News Source: GM, Green Car Reports, Automotive News EuropeImage Credit: Cadillac Green Hirings/Firings/Layoffs Cadillac GM Green Culture Electric Luxury recharge wrapup

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