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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

2020 Cadillac CT6-V First Drive | A new kind of V

One of the weird tidbits of car news in the past year was the change in naming for the 2020 Cadillac CT6-V. When it was first revealed, it was called V-Sport, the term previously used for Cadillacs with more moderate performance upgrades than the full-blown V cars that possessed massive power outputs and serious track-going capabilities. But then, before the car in question went on sale, Cadillac changed the name to match the equally moderately sporty CT4-V and CT5-V that officially downgraded the V name. So what should we make of this CT6-V, then? Is it a hardcore performance machine like the old V cars? Or is it what we’re expecting of the new V cars: a lightly upgraded version of the base car that isnÂ’t particularly distinguished? As it turns out, the CT6-V sits between these two extremes to create a car thatÂ’s involving and exciting for the driver without compromising the CT6Â’s refinement and luxury. Mechanically, the CT6-V is ultimately closer to its full-bore V predecessors. The highlight is the “Blackwing” twin-turbocharged 4.2-liter V8 that makes 550 horsepower and 640 pound-feet of torque. Besides giving the engine prodigious output, Cadillac borrowed some pages from the AMG handbook: the turbocharger is nestled in between the cylinder heads, just like the current 4.0-liter AMG V8, and each engine is hand-built start to finish by one of six engine builders. The builderÂ’s name is even featured in the engine bay. TheyÂ’re special details that fit the idea of the old V cars, but the fact that a version of the same engine is in the Platinum CT6 does make its inclusion in the CT6-V seem less special, even if its output is notably less at 500 horsepower and 574 pound-feet of torque. Setting aside the details, the engine performs well in the real world. ItÂ’s astonishingly smooth, exactly what you want from a fast flagship. It also emits a unique exhaust note thatÂ’s both raspy and growly. You wonÂ’t mistake it for a pushrod powerplant. The power and torque provide a prominent push at all points in the rev band after a brief moment for the turbos to spool up. ItÂ’s just a shame there isnÂ’t much of a rev band, as the engine redlines at 6,000 rpm, which is easy to hit thanks to the engineÂ’s creamy character. ItÂ’s so low one wonders why Cadillac bothered developing a double-overhead-cam engine at all. The V8 is coupled to a 10-speed automatic transmission and all-wheel drive. The 10-speed is perfectly fine when cruising around town.

Cadillac upgrades ATS sedan to match new coupe

The big news when it comes to the Cadillac ATS for 2015 is surely the addition of the new coupe model, but that doesn't mean that Cadillac has forgotten about the sedan as well. In fact GM's luxury brand has rolled out a few choice enhancements for the four-door to bring it more in line with the new coupe.
Among those changes that we spotted a couple of weeks ago is a new front fascia that incorporates the brand's new wreath-less emblem, and a sleeker front bumper. The interior has been upgraded as well with new trim options as well as some new tech including Siri Eyes Free functionality, dictated text messaging and optional inductive smartphone charging.
Though the ATS Coupe does away with the base engine, sedan buyers can still opt for the 2.0-liter four with 202 horsepower and 191 pound-feet of torque. The 3.6-liter V6 carries over unchanged at 321 hp and 275 lb-ft, but the 2.0-liter turbo four gets the upgraded torque rating of 295 lb-ft (the highest in the range) to go with its 272 hp. Some new color choices are also among the upgrades you can read more about in the press release below.