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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.

2020 Cadillac CT4 First Drive | Small shoes to fill

Following an existential crisis of fits, starts, headquarters moves and executive shakeups, Cadillac has itself a new luxury sedan, the CT4. It’s a convincing driverÂ’s car, less convincing as a luxury car, and seems a long shot to lure BMW, Audi or Mercedes owners into the Cadillac fold. For all the changes at Cadillac, that sure sounds familiar. The 2020 Cadillac CT4 is a redesigned ATS by another, equally unmemorable name. That includes an updated rear-drive chassis with eager, enthusiast-friendly tuning and 50/50 weight distribution – always among the ATSÂ’ top selling points. Styling is another winner, with crisp sheetmetal and CadillacÂ’s distinctive lighting signatures helping to differentiate this Yank from the international crowd. Cadillac is stretching so hard to cherry-pick the CT4Â’s competitors, it's possible they might slip a disc. We all remember the ATS as an able, rear-driven rival to the compact BMW 3 Series, Mercedes C-Class et al. But to paint the CT4 in a more competitive light – even as this sedan grows nearly 5 inches in length versus the ATS – Cadillac suddenly claims that its entry-level model, regardless of what it's now called, competes against subcompact, front-drive-based models like the BMW 2 Series Gran Coupe, Mercedes CLA-Class and Audi A3. Unfurling a tape measure reveals the truth: At a bit over 187 inches, the CT4 is actually longer than a 3 Series, C-Class, Audi A4 and every other major compact player. ItÂ’s a foot longer than an Audi A3. So, it's not a subcompact sedan, but there is one area where the CT4 does align with them – just not in a good way. The back seat is scrawny and hard-to-access, the result of its rear-wheel-drive platform and the sort of inefficient packaging that plagued the ATS. As such, it's better to think of the CT4, like the Genesis G70, as an affordable alternative to the roomier 3 Series, and other German compacts. And thereÂ’s nothing wrong with that. It starts at $33,990, undercutting the Germans by many thousands, and still boasts CadillacÂ’s greatest competitive strength: Smartly engineered ride-and-handling that matches up against the Euros with no excuses required. I drove the evident smart play in the CT4 lineup, the Premium Luxury 2.7 model, priced from $40,990, or $42,990 for the all-wheel-drive version I tested. (A Premium Luxury with the 237-horsepower 2.0T starts from $38,490, or $41,690 with AWD).

Cadillac CT5 spied with quad exhaust, could signal a hotter version is coming

The 2020 Cadillac CT5 just broke cover at the NY Auto Show this year, but one of our spy shooters caught one decked out in camouflage looking a bit different than the versions we've already seen. Instead of the dual exhaust on both the turbocharged four-cylinder and twin-turbo V6, this one has a quad exhaust outlet. We'll note that the placement of the quad outlets is one and the same with the two larger outlets on the CT5 already revealed. Also, the rest of the car looks relatively ho-hum. It has the wheels from the CT5 Sport trim, and the front end appears to most closely represent the Luxury trim. Some of the coverings appear to be opened up on that front end, possibly in an attempt to increase airflow. The most obvious change of them all is the quad exhaust, though, which brings us back to a conversation we had with a Cadillac representative at the car's initial media launch. As we were standing around gawking at the new CT5 in Sport trim, a brand representative told us all the "Sport" models (four-cylinders and V6s) would be getting quad exhaust, while the "Luxury" trims would get dual exhaust. We pointed at the CT5 Sport right in front of us and noted that it just had a dual exhaust setup. This ended up causing more confusion, as the Cadillac representative was adamant that they had seen the CT5 Sport with quad exhaust. When all was said and done, there wasn't exactly a clear explanation given for what was up with this mysterious CT5 model with quad exhaust, so we left it at that. We can guess, though. Perhaps the Cadillac rep had seen a Sport model with quad exhaust, but it was a future "V-Sport" variant we weren't allowed to know of yet. Cadillac hasn't revealed its future plans for the CT5 fully, but it did hint that at least one performance variant would be on the way. This camo'd up car here does not look anything like a full-on V model, but it could be the beginnings of a slightly more powerful version of the sport sedan. The 3.0-liter twin-turbo V6 makes 335 horsepower and 400 pound-feet of torque. Of course, there's always room for more power in this class, and a V-Sport model would slot in nicely to the new sedan's range. Keep in mind this all remains speculative in nature. However, our curious conversation with Cadillac combined with these spy shots signal that something could be afoot.