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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.

Race Recap: 2013 Twelve Hours of Sebring, cakewalk up front, grindfest out back [w/spoilers]

This year's 12 Hours of Sebring wasn't exactly a foregone conclusion because we're still talking about racing, and anything can happen when the speeds are as high as the adrenaline and the desire. But we're still talking about Audi bringing it's two top-spec racers - and its huge budget and its nearly neurotic attention to detail - to a race that it uses as a test bed for The 24 Hours of Le Mans and as a way to open the endurance racing season with a victory.
Besides, 12 hours is a long time, especially at Sebring, and things didn't go all Audi's way. On top of that, although it was a pretty quiet race, behind the Audis things got even grimier, with plenty of battles, plenty of mechanical issues, and the new BMW Z4 GTE and Viper GTS-R being race tested. Oh, and that brand new chromed-out DeltaWing...

2023 Chicago Auto Show Mega Photo Gallery: See all the new cars from the show

The 2023 Chicago Auto Show played host to a number of reveals this year, and we were there to capture all of them. In traditional auto show fashion, that means you’re getting a mega gallery of galleries to flip through and see all the vehicles on the show floor. Our EditorsÂ’ Picks from the show are already out — spoiler alert, the 2024 Toyota Grand Highlander took home the prize. That said, there were other important reveals like the 2024 Volkswagen Atlas and Atlas Cross Sport and the 2024 Subaru Crosstrek. We also learned some interesting tidbits, such as the fact that VW is considering a pickup, and Jeep owners really are plugging in. To see the photos, scroll on down and start flipping through those galleries.   2024 Toyota Grand Highlander 2024 Toyota Grand Highlander View 7 Photos 2024 Volkswagen Atlas 2024 Volkswagen Atlas View 14 Photos 2024 Volkswagen Atlas Cross Sport 2024 Volkswagen Atlas Cross Sport View 7 Photos 2024 Ford Mustang Dark Horse with its carbon fiber wheels 2024 Ford Mustang Dark Horse with carbon fiber wheels View 7 Photos 2024 Chevrolet Corvette E-Ray 2024 Chevrolet Corvette E-Ray View 10 Photos Jeep Wrangler Anniversary Editions Jeep Wrangler Anniversary Editions View 3 Photos 2023 BMW XM 2023 BMW XM View 6 Photos Ram Revolution Concept Ram Revolution Concept View 6 Photos NASCAR Chicago Street Race Pace Car — Toyota Camry NASCAR Chicago Street Race Pace Car ? Toyota Camry View 4 Photos Everything else at the 2023 Chicago Auto Show Lamborghini Countach LPI 800-4 View 12 Photos Related video: Chicago Auto Show BMW Buick Chevrolet Ford GM GMC Hummer Jeep Lamborghini RAM Toyota Volkswagen Truck Coupe Crossover SUV Concept Cars Electric Hybrid Luxury Off-Road Vehicles Performance Supercars Sedan