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GM diesel pickups first to undergo extra EPA, CARB testing

The effects of Volkswagen's long-running diesel emissions evasion are starting to spill over to other automakers, but General Motors is taking things in stride. The 2.8-liter, four-cylinder Duramax in the 2016 Chevrolet Colorado and GMC Canyon is the first engine to get extra scrutiny by the Environmental Protection Agency and the California Air Resources Board, Automotive News reports. Rather than just the usual in-lab test, it's also being checked on the road. However, the extra evaluation shouldn't have any impact on when the trucks with his mill hit dealers later this fall. "We're in our final stages of the EPA certification, and our launch is on track," Chevy spokesperson Otie McKinley tells Autoblog. The four-cylinder diesel in the trucks makes 181 horsepower and 369 pound-feet of torque, and the automaker is touting low NOx production. In the announcement for the Colorado's specs, the company calls it "the cleanest diesel truck engine ever produced by General Motors." The tech includes exhaust gas recirculation to lower combustion temperatures and improve emissions. There's also a urea tank like on the bigger diesels for full-size trucks, and it gets refilled in time with oil changes. An indication on the instrument panel lets drivers know when that's needed, too. Even with the more demanding testing, the company doesn't seem too worried about the four-cylinder passing. "Part of our development process is on-road and off-road [laboratory] testing," Scott Yackley, Chevy Trucks assistant chief engineer, said to Automotive News. In the wake of the VW scandal, the EPA has pledged more rigorous testing. Before, on-road emissions evaluations were largely limited to heavy-duty vehicles, but the agency has decided to apply the checks more often to other models. There's also now greater cooperation with Canadian authorities.

GMC could have used Jeep's prized grille design on its born-again Hummer

General Motors confirmed it's bringing the Hummer nameplate back on an electric, GMC-badged pickup by publishing a dark photo of its front end. The battery-powered drivetrain under the sheetmetal represents a tectonic shift, but we noticed another flagrant break with tradition: it wears six slot-like inserts instead of seven like on every previous Hummer and countless Jeeps. Adding an extra slot wouldn't have landed GMC in hot water. The seven-slot grille has historically been associated with Jeep, and the company proved it's willing to go to significant lengths to ensure another automaker — especially one it perceives as a rival — doesn't use it. Parent company Fiat-Chrysler Automobiles (FCA) bitterly sued Mahindra over the Roxor's design, including its five-slot grille, and won in 2019, forcing the Indian firm to unveil a redesigned side-by-side for the 2020 model year. And yet, stylists would have very likely been able to get away with it on the Hummer. While General Motors owns Hummer, the brand traces its ancestry to 1970, when American Motors Corporation (AMC) purchased Jeep from Kaiser and changed the name of its General Products Division to AM General Corp. The division manufactured the rear-wheel drive, CJ-based DJ for the United States Postal Service and began developing the Humvee in 1979. Jeep and AM General went their separate ways when Renault began investing in AMC. Foreign companies weren't allowed to own defense contractors, and AMC had more to gain by gradually selling out to Renault than by keeping AM General, so it divested the division to LTV Corporation in 1983. Humvee production started shortly after, but no one protested its seven-slot grille because there was no risk of it stealing sales from a comparable Jeep model. It was manufactured exclusively for the U.S. Army, and civilian sales weren't planned. H2SUV View 4 Photos The original civilian Hummer released in 1992 must have raised more than a few eyebrows but, here again, it didn't directly compete with one of Jeep's off-roaders, so no one complained. It was huge, correspondingly expensive, and its portal axles made the YJ-generation Wrangler wet its pants. It's the H2 concept (pictured above) unveiled at the 2000 Detroit Auto Show that set off alarm bells in Auburn Hills. DaimlerChrysler's lawyers counted the slots in the chrome-plated insert that dominated its front end and shuddered when they reached seven.

2024 GMC Sierra EV Denali Edition 1 reservations closed

Reservation slots for the 2024 GMC Sierra EV Denali Edition 1 are gone. As is the case with just about every vehicle that can be reserved, regardless of cost, there weren't enough slots to satisfy the initial rush. Carscoops noticed the situation first, getting confirmation from GMC that the only avenue remaining for now is to get on a waitlist. GMC's page for the Sierra EV affirms the same, declaring "Reservations are currently full" for the Denali Edition 1. Doing so meant putting down a $100 refundable deposit, a nominal sum that anyone could back out of, but we know by now that market conditions mean between reservation holders and the waitlist there are plenty who will conclude the transaction. Duncan Aldred, head of GMC and Buick, said so himself, telling Automotive News, "It's pretty amazing. A few years ago, when we were planning Hummer, the amount of vehicles sold over $100,000 in the entire industry was not that many. Now, that has radically changed in the last three years. There's been a rapid increase in vehicle prices and there's been an even quicker rise at the top end. We expect to sell out really quite quickly." The Sierra EV Denali Edition 1 comes loaded with quilted seats, real wood trim, Super Cruise, and two motors making a combined 754 horsepower and 785 pound-feet of torque, and starts at $108,695. We don't have a number to put to the phrase "sell out," though. As GM did with the Cadillac Lyriq and Chevrolet Silverado EV, reps wouldn't divulge production caps. Aldred did admit that the reservation number is below 10,000. Two more Sierra EV trims are coming, but they're not due until 2025. That starts with the base Elevation trim bringing an MSRP around $50,000. Note, that MSRP is the prediction now. Three years is a long way away. When reservations open to the public for the standard Sierra EV Denali expected in 2024 and the following trims, GMC plans to keep a tight lid on the pot. Remember, with the Hummer EV, GMC took so many reservations that current production rates mean the automaker won't clear the list for years. Production rates will climb, certainly. However, GM builds the pickups and its Cruise Origin delivery vehicle at its Factory Zero, and there are already 110,000 Silverado EV reservations alone to get through.