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GM Ultium tech can scavenge heat from everywhere, even you

GM likes to give us tidbits about its Ultium platform from time to time, and today it’s telling us about the platformÂ’s ability to capture waste heat from the propulsion system. In addition to capturing from the propulsion system, it can also capture humidity from both inside and outside the vehicle and even from passengersÂ’ body heat. Yes, you, your family and/or your friends are a usable heat source as far as GM EVs are concerned. It then deploys the heat in an advantageous way. If at this point, youÂ’re screaming, "Heat pump!" youÂ’d be right. WeÂ’re talking about an elaborate heat pump system that GM is using for its Ultium-based vehicles. Every Ultium-based GM vehicle gets this system that is covered by 11 patents and four publications. The waste heat it collects is used in a number of ways, but its primary use is to heat the cabin quickly and efficiently. GM claims it can heat the cabin of its Ultium-based vehicles quicker than vehicles with traditional internal combustion engines. Plus, when put to use, GM claims that using the heat pump provides its EVs with up to 10% more range than theyÂ’d have without. Beyond heating the cabin, the heat pump is capable of putting waste heat to use by preheating the battery prior to charging so that you can charge quicker. The system can even cool the propulsion system in preparation for Watts to Freedom (WTF) launch control starts. GM says this was vital in helping the Hummer EV achieve its bonkers 0-60 mph time of about 3 seconds. “Having a ground-up EV architecture gives us the freedom to build in standard features like UltiumÂ’s energy recovery capabilities,” said Doug Parks, GM executive VP of global product development, purchasing and supply chain. “This helps us squeeze more efficiency, performance and overall customer benefit out of our EVs.” GM says itÂ’s been developing heat pump technology since the EV1 and its heat pump. This is the modern evolution of that technology, and GM says itÂ’s going to be implemented in every Ultium-based vehicle as a standard feature. Related video: Green Cadillac Chevrolet GM GMC Technology Electric Future Vehicles

Cadillac Rear Camera Mirror | 2017 Autoblog Technology of the Year Finalist

We give Cadillac a lot of credit for being the first to make good on the promise to replace mirrors with cameras and displays. That was good enough to earn the Cadillac Rear Camera Mirror a place on our 2017 Technology of the Year awards shortlist for new features. The idea behind this system is relatively simple; what perhaps took more doing was getting the regulations in place to allow a video feed to replace the government-mandated mirror. The hardware and that rules compliance starts with what looks like a normal rearview mirror – because it defaults to being a mirror until you switch on the display or in the event the system somehow fails. Flip the little toggle at the bottom of the mirror – the one normally used to switch from day to night mode – and the reflection is replaced by a very crisp feed from a camera at the back of the vehicle. This live stream gives you a wide-angle view of what's behind, without obstruction from back-seat passengers, headrests, or any bodywork. The camera is even shielded from weather and has a coating to shed water. What you see doesn't exactly look like a normal reflection, but the quality is good enough and you see more than you would normally with something aimed through today's small rear windows. But because it isn't actually a reflection, you have to make some adjustments. When your eyes are focused down the road, glancing at a mirror gives you a view the same distance away but in the rear. With the rear camera mirror, a glance back requires your eyes to first refocus on the display, which takes a moment. And unlike a normal mirror, which you look through at an angle, this display is angled toward the driver but projecting an image that looks straight back – no matter how you move it, the image doesn't change like a mirror's would. And because it's an image and not a reflection, you can't choose what's in focus and lose your sense of depth perception. It's not clear whether objects in mirror are closer or farther than they appear. And there are other limitations. For instance, while the display balances bright lights and dark surroundings well at night, it is tricked by LED headlights, which flicker at a rate faster than the camera shoots. The result is a distracting strobe effect like you get when you point a smartphone camera at any LED light source. For those with migraine sensitivity, this kind of fast flashing can cause real problems.

2017 Cadillac XT5 cuts weight, adds room over SRX [UPDATE]

UPDATE: This post has been updated with a full set of official photos. Impressions on the interior and exterior have also been added. The attention of Cadillac fans may be focused on the new CT6 sedan, but the most important new vehicle in the New York-based company's quiver might be the all-new XT5. Cadillac officially unveiled the SRX replacement today ahead of its full debut in Los Angeles next week. Short for Crossover Touring 5, the new XT5 drops 278 pounds over the old SRX, while offering an extra 3.2 inches of interior space. The XT5's face balances the best parts of the Escalade and CT6's fascias, with a strong egg-crate grille and prominent LED accent lights. It looks good scaled to a vehicle of this size. The taillights curve up and over the rear haunches, which feed into a strong shoulder line that runs towards the front of the car. It's a solid look, and one we're looking forward to seeing in person. The interior looks very, very nice, with warm leather and wood trimmings. The steering wheel, with its large, central wood accent, looks remarkably good. In fact, it might be one of our favor parts, if only because it's such a bold piece of design. We aren't crazy about the sheer abundance of buttons on the wheel, though. All four spokes are covered, and it just looks kind of cluttered. As is the trend nowadays, the center console features a floating bridge design with plenty of storage space underneath. Our early impression of the leather-wrapped dash is positive, although as is so often the case, we need to get a hands on before rendering a final judgment. There are no major surprises under the hood. Like the current SRX, the XT5 utilizes the same 3.6-liter V6 as the CTS and ATS sedans. Start/stop has been fitted, which should provide a boost in fuel economy although no mileage figures have been published yet. Cadillac will also offer a standard 2.0-liter turbocharged four-cylinder XT5, although for reasons that aren't clear, it's only for the Chinese market. This seems like a misstep in our eyes, considering the XT5 will challenge the likes of the BMW X3, Audi Q5, and Mercedes-Benz GLC – all of which offer four-cylinder turbos. With the V6, the XT5 delivers 310 horsepower and 270 pound-feet of torque. While there's more total horsepower than the Lexus, Audi, or BMW, the 3.6 still faces a torque deficiency versus the turbocharged X3 xDrive35i or supercharged Audi V6. The XT5 has a standard eight-speed automatic transmission.