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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.

GM cutting Chevy Sonic, Buick Verano production [UPDATE]

UPDATE: A previous version of this story indicated that Orion Assembly would be idled for seven weeks, from February 16 through April 6. This was incorrect. The factory will instead only be idled for the weeks of February 16 and April 6. The story has been edited to reflect this. General Motors has announced that the factory responsible for the Buick Verano and Chevrolet Sonic will be idled for the weeks of February 16 and April 6, with blame being placed on excess supply. The Orion Assembly plant, about 45 minutes north of GM's Renaissance Center headquarters, employs about 1,800 people, but they'll be given a pair of furloughs as inventories of the sub-compact Sonic and premium compact Verano reach 127 days and 84 days, respectively. That works out to 26,600 Chevys and 9,800 Buicks waiting for buyers. According to Automotive News, the compact Chevy sales bested the industry average in 2014, jumping up nine percent versus the the overall segment's eight-percent gain, while the Buick sedan's sales were down four percent. When asked about the shutdown, a GM spokesman told AN that it will "build to market demand," while also pointing out that the company did not comment on production plans. News Source: Automotive News - sub. req.Image Credit: Bill Pugliano / Getty Images Plants/Manufacturing Buick Chevrolet GM buick encore orion assembly

2014 Corvette Stingray meets Tesla Model S in drag strip showdown

They come from two different worlds and have little in common. The Tesla Model S P85 is the sportiest version of this paradigm-punching sedan from California, while the 2014 Corvette Stingray Z51 is a performance-enhanced version of Michigan's recently-updated sports car stalwart. The West Coast car seats five adults and eats electrons like Popeye eats spinach, the Easterner has two passenger places and, surprisingly, sips gasoline like one might bourbon. An attribute they do happen to share is extreme quickness. This similarity is all the excuse Drag Times needed to set the vehicles beside each other at the Palm Beach International Raceway for a bit of mano-a-mano quarter-mile combat. Fortunately enough, cameras were rolling for each of two bouts down the blacktop and the results recorded for our edification and enlightenment. The winner? We won't spoil it for you, but let's just say it's really, really close. How close? Scroll below and watch the video for yourself. Just be warned, the results may surprise you. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.