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GM pauses 3.0-liter turbodiesel production due to a supplier shortage

General Motors confirmed it has temporarily stopped taking orders for trucks and SUVs equipped with the 3.0-liter Duramax turbodiesel six-cylinder engine. It blamed the last-minute pause on a supplier-related shortage. Website TFL Truck first reported the news, and a representative from General Motors quickly confirmed it. The spokesperson explained the issue is due to a "temporary part shortage" and added that production will resume "as soon as possible," meaning the Duramax engine (which is called LM2 internally) is not going away permanently. Additional details are not available, so we don't know if the issue is related to the ongoing chip shortage. Rather than delay deliveries and create a backlog, General Motors is reportedly asking its dealers to encourage buyers who want a turbodiesel engine to instead select either the 5.3-liter V8 or the 6.2-liter V8, depending on the model selected. Both are gasoline-powered units. There's no word yet on when Duramax production will resume. The shortage affects several models, including Chevrolet's Tahoe, Suburban, and Silverado 1500 and GMC's variants of these trucks. Cadillac's Escalade is temporarily diesel-less as well. Heavy Duty variants of the Silverado and the Sierra are not affected because they're powered by a different Duramax engine with eight cylinders. Motorists seeking a full-size SUV powered by an efficient turbodiesel engine are temporarily out of options because the Tahoe/Yukon and the Suburban/Yukon XL had the segment to themselves. The Duramax was surprisingly popular, too: in May 2021, GM Authority reported that the turbodiesel straight-six represented 8% of Suburban sales and 6% of Tahoe sales. Installed in a rear-wheel-drive Tahoe, the engine returns 21 mpg in the city, 28 mpg on the highway, and 24 mpg in a combined cycle, figures that make the body-on-frame behemoth more efficient than the unibody, front-wheel-drive Chevrolet Blazer that's 20 inches shorter and approximately 1,700 pounds lighter. Related video: 2021 Chevrolet Tahoe 3.0L Duramax engine

GM is training more first responders for EV emergencies in the U.S. and Canada

GM is training more first responders to be able to handle emergencies involving electric vehicles. The automaker is "significantly expanding" its EV First Responder Training program in the United States and Canada as electric vehicle sales continue to grow. Its initiative will primarily focus on training firefighters and equipping them with the necessary knowledge about full electric vehicle technologies. GM says it's hoping to dispel misconceptions when it comes to handling EVs in emergency situations. One of those misconceptions is that water is dangerous around EV batteries — turns out the recommended way to put out lithium-ion battery fires is by using copious amounts of water.  Andrew Klock, a senior manager of education and development at the National Fire Protection Association (NFPA), said: "The best way for the public and private vehicle fleet owners to rapidly adopt EVs is to train firefighters and emergency responders on how to handle incidents involving battery powered vehicles. The fire service has had more than 100 years to gain the knowledge needed to respond to internal combustion engine fires, and it is critical that they are now educated on EV safety." The NFPA held trainings of its own that had benefited 300,000 first responders, but it believes more than 800,000 members of the community still need further training.   GM previously piloted the program in southeast Michigan, but now it's conducting training events across Michigan and in Fort Worth, Texas, as well. Later this summer, it's bringing the program to metro New York City and Southern California. Participants will have to attend four-hour sessions, with up to two per day, held in various venues, such as fire houses and dealerships. Interested first and second responders can register through the program's dedicated website and earn a certificate from the Illinois Fire Service Institute if they score higher than 70 percent on the learning assessment by the end of their training.  The automaker already has a few EV models on the market, including the Chevy Bolts, the GMC Hummer EV and the Cadillac Lyriq. It has huge electrification plans for the future, though, and training responders could help make potential customers more receptive to the idea of switching to electric vehicles. GM aims to launch 30 EV models by 2025 and to exclusively sell EVs ten years after that. Related video: Green Cadillac Chevrolet GM GMC Safety Electric

2022 GMC Hummer EV shows off accessories ahead of SEMA

As is the case with nearly every new off-roader on the market, the 2022 GMC Hummer EV will have a bunch of accessories available for personalizing the big electric pickup truck. In fact, GMC says that the total number of add-ons is close to 200. But for the SEMA show, it's sharing just a few of what it says are the more interesting accessories. Quite a few of these parts will take you a long way to turning the Hummer EV into an overlander. The most obvious is the roof-top tent that utilizes mounts on the roof and the bed. It looks quite large and roomy. Naturally, auxiliary lighting is available, too, including a 50-inch roof light bar and two smaller spot lights that mount ahead of the A pillars. For storage, there's a nifty swing-out toolbox, shown in the gallery as more of a tackle box, plus a battery-powered cooler and a bed-mount for a full-size spare tire. There's also a more traditional bed extender and simple bed rail-mounted rack. And just for fun, you can get a Kicker audio sound system built into the MultiPro tailgate to listen to your music. Not all the accessories are about utility, though. There are some visual enhancements such as the red decals shown in the gallery. They match other decals and badges available, and they're offered in bronze, too. There are some branded puddle lights on offer as well. These should be available around when the Hummer EV pickup goes on sale next year. Pricing for each part will surely vary, though exact numbers haven't been announced. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.