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GM removes start/stop from full-size trucks and SUVs with V8 engines

GM is removing start/stop technology from a number of its popular full-size SUVs due to the ongoing chip shortage. This follows the removal of cylinder deactivation technology from some of its trucks, which was also due to the chip shortage. GM Authority first reported the news, but we’ve just confirmed everything with a GM spokesperson.  The following 2021 model year vehicles will be affected: Chevy Tahoe, Chevy Suburban, GMC Yukon, Cadillac Escalade, Chevrolet Silverado 1500 and GMC Sierra 1500. Only versions of those vehicles built with the 5.3-liter V8 or 6.2-liter V8 and mated to the 10-speed automatic will have the tech removed from them. Only vehicles manufactured on or after June 7 will be affected. “By taking this measure, it will enable us to continue production of our high-demand full-size SUV and pickups as the industry continues to rebound and strengthen,” GM said in a statement. Those who ultimately buy one of these vehicles without start/stop technology will receive a $50 discount off MSRP for their troubles. Losing this fuel-saving tech could be a big negative for some, but we know many folks turn it off anyway. Not having to press the button to deactivate start/stop every time could actually be a positive if youÂ’re part of the camp who does that already. 2021 Cadillac Escalade Sport Platinum View 27 Photos On the downside, GM says “most of the affected vehicles will experience a minor reduction in fuel economy.” We donÂ’t have revised window stickers in hand to know how each model will be affected, but any 1 mpg reduction will be rather impactful for vehicles rated as low as these trucks already are. Any reduction will be seen in the city mpg rating, so take the kind of driving youÂ’re going to be doing into account before purchasing. When it comes to greenhouse gas compliance rules, GM says it doesnÂ’t foresee this impacting the companyÂ’s average fleet score. It also intends to begin adding start/stop back to these models as soon as possible, but there will be no retrofit effort made to fit the tech to vehicles already built without it. “Our supply chain organization continues to make strides working with our supply base to mitigate the near-term impacts of the semiconductor situation,” GMÂ’s statement reads. “GM continues to leverage every available semiconductor to build and ship our most popular and in-demand products, including our highly profitable full-size trucks and SUVs for our customers.

Teaching autonomous vehicles to drive like (some) humans

While I love driving, I can't wait for fully autonomous vehicles. I have no doubt they'll reduce car accidents, 94 percent of which are caused by human error, leading to more than 37,000 road deaths in the U.S. last year. And if it means I can fly home at night in winter and get safely shuttled to my house an hour-plus away — and not have to endure a typical white-knuckle drive in the dark with torrential rain and blinding spray from 18-wheelers on Interstate 84 — sign me up. Autonomous technology will also take some of the stress, tedium and fatigue out of long highway drives, as I recently discovered while testing Cadillac Super Cruise. AVs are also supposed to eventually help increase traffic flow and reduce gridlock. But according to a recent Automotive News article, as the first wave of AVs are being tested on public roads, they're having the opposite effect. Part of the problem is they drive too cautiously and are programmed to strictly follow the written rules of the road rather than going with the flow of traffic. "Humans violate the rules in a safe and principled way, and the reality is that autonomous vehicles in the future may have to do the same thing if they don't want to be the source of bottlenecks," Karl Iagnemma, CEO of self-driving technology developer NuTonomy, told Automotive News. "You put a car on the road which may be driving by the letter of the law, but compared to the surrounding road users, it's acting very conservatively." I get it that, like teen drivers, AVs need a ramp up period to learn the unwritten rules of the road and that a skeptical public has to be convinced of the technology's safety. But this is where I become less of a champion on AVs, since where I live in the Pacific Northwest we already have more than our share of overly cautious human drivers. Since moving here 12 years ago, I've found it's an interesting paradox that a region famous for its strong coffee, where you'd think most drivers would be jacked up on caffeine, is also the home to annoyingly measured motorists. As an auto-journo colleague living in Seattle so aptly put it: "People in the Pacific Northwest drive as if they have nowhere to go." If you drive like me and always have somewhere to go — and usually are in a hurry to get there — it's absolutely maddening.

2020 Cadillac XT4 Review and Buying Guide | Competence and curb appeal

The 2020 Cadillac XT4 is a handsome little crossover distinctively sized between two segments. This allows it to boast backseat space on par with larger SUVs like the Audi Q5, while being a bit more park-able and fuel efficient like the BMW X1. There should definitely be a Goldilocks "just right" thing going on for many shoppers. Cadillac's baby SUV also impresses on the technology front, boasting loads of standard, advanced features along with a user-friendly touchscreen interface that shouldn't be too hard to figure out. There are dynamic missteps, though. The steering, throttle and brake pedals lack the driver-oriented response and feedback we've come to expect from Cadillac's sharply tuned sport sedans, while also not exactly possessing the nice-and-easy isolation of Caddy's past. In either scenario, we're not sure it "drives like a Cadillac" despite some otherwise impressive engineering going on underneath that handsome skin. The XT4 is also pretty expensive given its features, size and interior quality. Competitors both larger (Acura RDX) and smaller (Volvo XC40) provide better value. Still, as we noted in our XT4 first drive, there's enough novel tech to provide bragging rights, it's obviously a Cadillac in design (and definitely not just a rebadged Chevrolet in execution), and it's a pleasing enough place to sit while scooting around in traffic. It has competence and curb appeal, which count for a lot. What's new for 2020? After being an all-new model last year, the XT4 heads into 2020 with some noteworthy features updates: Forward collision warning and automatic emergency braking are now standard, while the Premium Luxury trim level gets the hands-free power liftgate as standard equipment.   What's the XT4's interior and in-car technology like? The XT4's interior design isn't as memorable as that of its exterior, nor its stylish Volvo XC40 and Lincoln Corsair competitors. It's a bit generic, which just doesn't seem right for a Cadillac. Materials quality is acceptable when closer to its base price, but begins feeling less so as options are added and the price tag rises. We've also driven multiple XT4's with an annoying rattle in the B pillar. Standard infotainment technology is abundant. Apple CarPlay and Android Auto are included with the standard 8-inch touchscreen and benefit from a pair of USB ports: one standard USB-A and the other a newer USB-C.