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GM's MPG overstatement could affect 2 million vehicles

Late last week, GM admitted that three of its large SUVs fuel economy window stickers did not match their actual efficiency ratings, and so the vehicles couldn't be sold. The stickers on the 2016 Chevy Traverse, GMC Acadia, and Buick Enclave said their ratings were one to two miles per gallon better than they should have been. Officially, the number of affected vehicles sits at about 60,000. But Consumer Reports makes a good point: what's up with all of the previous model year SUVs that are basically the same vehicle? To wit: the 2016 model year vehicles are not substantially different than the 2015 or the 2014, or even going all the way back to 2007. On the EPA's fuel economy website, all of these older models will "have better stated fuel economy numbers than the new vehicles in GM's dealerships," Consumer Reports noted. CR's best point, and the one that makes the 60,000 number potentially grow to 2 million if all of the vehicles built on this platform are affected, is that "[i]t seems unlikely that the company would change the powertrain on these carryover models so late in their model cycles in a way that would cause a dramatic, negative impact on fuel economy." GM says that earlier model year SUVs are not affected and the EPA did not respond to CR's question about the potential for more discrepancies. We've seen automakers reverse course before, so if GM has to come out with a mea culpa soon, don't be surprised. GM is rushing corrected stickers to dealers so that the SUVs can be sold again, but a fix for the already-sold vehicles could be trickier to solve. Related Video: Related Gallery 2013 GMC Acadia View 16 Photos News Source: Consumer Reports Government/Legal Green Buick Chevrolet GMC Fuel Efficiency mpg gmc acadia chevy traverse

Submit your questions for Autoblog Podcast #310 LIVE!

We record Autoblog Podcast #310 tonight, and you can drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
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Buick GN and GNX will return

Buick to use Velite name for its Cascada?

Ever since Opel brought out the Cascada convertible last year, rumors have been flying that Buick would offer it Stateside – much like it does with the Insignia-based Regal and the Astra-based Verano. And now we might have our best clue yet as to what Buick might call it. According to GM Authority, General Motors has filed to use the name Velite on a new model. The name first appeared on a convertible concept unveiled over a decade ago at the 2004 New York Auto Show (pictured above), but GM reportedly opened an application to trademark the nameplate for production in 2011, seeking extensions on its application every six months since. Of course the fact that it's applied for its fifth extension (of a permissible six) doesn't necessarily mean that GM will ultimately bring the cabriolet to US showrooms, or that it will use the Velite name if it does, but the fact that GM is keeping the name alive could be a good sign. The market for relaxed four-seat convertibles has been shrinking, leaving it up to drop-top muscle cars like the Chevy Camaro and Ford Mustang. But with entries like the Toyota Camry Solara, Volkswagen Eos and Chrysler 200 Convertible having dropped off the market, the Buick Velite (or Cascada, or whatever it's ultimately called) could have the sedate cabriolet segment all to itself – even if (or especially if) Lexus dealers aren't interested in touching it.