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GM executive chief EV engineer says reducing cost of plug-in vehicles is 'huge priority'

As we know, another major automaker investing heavily in electrified vehicles is General Motors, and it's doing things much differently than rivals BMW, Ford or Nissan. The Chevrolet Volt extended-range EV is a modest seller at its $35,000 sticker price but a huge hit with owners. The Chevy Spark BEV, still in limited availability, puts smiley faces on its owners and drivers. The just-introduced Cadillac ELR, a sharp-looking, fun-driving $76,000 luxocoupe take on the Volt's EREV mechanicals, has admittedly low sales expectations. With this interesting trio in showrooms and much more in the works, the third vehicle electrification leader I collared for an interview at Detroit's North American International Auto Show (see #1 and #2) was Pam Fletcher, GM's executive chief engineer, Electrified Vehicles. ABG: Why do your EREVs need four-cylinder power to extend their range when BMW's i3 makes do with an optional 650 cc two-banger? "We designed [the Volt and the ELR] to go anywhere, any time" - Pam Fletcher PF: I get that question all the time: why not something smaller? You don't really need that much. You use the electric to its ability, then you just need to limp. But we designed those cars to go anywhere, any time, and we don't want their performance to be compromised. If you're driving through the mountains, we don't want you to be crawling up grades, or to be limited on any terrain. So it's optimized to be able to travel literally the biggest grades and mountain roads around the globe at posted speeds. Because what if you can't? Another good reason: when the engine is on, you have to run it wide open throttle, max speed, most of the time. And while we can do a lot with acoustics, and the ELR has active noise cancelation, a small-displacement, low cylinder-count engine at high speed, high load all the time isn't something you want to live with. That's how we came up with the balance we did among the key factors of performance, NVH [noise, vibration and harshness] and range. ABG: Where you go from here? Is the range-extender engine due for an update? PF: We know and love the current Volt, and there is still a lot of acclaim about it, so we think it's a good recipe. But we are heavily in the midst of engineering the next-generation car, which I think everyone will love and be excited about.

Hear the new Cadillac CTS-V torture some tires

The 2016 Cadillac CTS-V seems like the type of wonderful gift that Santa might cook up in his workshop for one extraordinarily good boy or girl. However, the first chance for most people to actually see the super sedan and its carbon fiber pieces in real life is at the 2015 Detroit Auto Show in January. As a stocking stuffer until then, Caddy has released this video highlighting the latest V-Series roasting its tires better than any dinner for the holidays. With the supercharged 6.2-liter V8 from the Chevrolet Corvette Z06 nestled into the CTS-V's engine bay, the Cadillac certainly has quite a bark coming from its exhaust. The mill might be detuned slightly from the 'Vette to 640 horsepower and 630 pound-feet of torque, but that's still plenty for this smoky application. Enjoy this tease of the future V-Series, ahead of the Detroit show. Related Gallery 2016 Cadillac CTS-V View 15 Photos News Source: Cadillac via YouTubeImage Credit: Related images copyright Cadillac Cadillac GM Luxury Performance Videos Sedan

Cadillac CT6 hybrid likely to appear in Shanghai

Cadillac is poised to reveal a hybrid version of the CT6 sedan later this month at the Shanghai Motor Show. Rumors have swirled of the sedan's pending reveal, and General Motors product chief Mark Reuss reportedly confirmed its existence last fall during an investor conference. On Wednesday, Reuss again said that GM is working on the hybrid CT6, and when asked by Autoblog, he hinted at the pending debut. "We've really got to wait until we finish rounding out the portfolio," he said. "The Shanghai show is where you should look for all of it. So stay tuned." A Cadillac spokesman declined to comment, but confirmed "we will add variants." The brand has already announced two V6 engines and is looking to expand the line. Reuss also said GM has considered a V-Series model for the CT6, but it's focusing on launching the four-cylinder and V6-powered sedans first and promoting V-Series versions of the CTS and ATS that arrive this year. "The [CT6] architecture is certainly capable of doing it," he said. "The question is who's going to buy the CT6? What kind of person? And do we need a V-Series off of that is the question we haven't answered yet. It's certainly capable of doing it ... we've certainly thought about it." Details of the hybrid powertrain aren't known, but it could use plug-in technology. Chevrolet announced the 2016 Malibu will get a hybrid model that employs electric powertrain features from the new generation of the Volt. For the CT6, electric-vehicle technologies would likely be used to extend range and aid the performance of the conventional engine. Related Video: