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GM claims it's first to sell million 30+ mpg vehicles

As we continue to put together all the data for the year-end edition of By The Numbers, General Motors has announced that it sold more than a million vehicles in the US last year that achieved at least 30 miles per gallon on the highway. More impressively, GM managed this feat using multiple strategies including small vehicle size, turbocharged engines and hybrid or plug-in technologies across four brands (Buick, Cadillac, Chevrolet and GMC) accounting for 13 separate models. This number will grow even more in 2013 thanks to cars like the all-electric Spark, the diesel Cruze, the range-extended Cadillac ELR and the Buick Encore compact CUV.
GM's small car sales were up 39 percent last year helping to attain this million-sales mark for 30-mpg models, and almost 40 percent of all GM sales consisted of cars with fuel-efficient I4 engines. In regards to more advanced means of improving fuel economy, GM says that it plans on having 500,000 vehicles with "some form of electrification" on the road by 2017.
Scroll down for the full list of GM's million 30+ mpg cars as well as an informative press release.

Beast mode on the open road: New presidential limo close to delivery

Signs of the Beast have been seen on the open roads around Milford, Mich., home of GM's Proving Grounds. The Beast, in this case, being the nickname for the next-generation presidential limousine. We've seen this car previously in spy shots while parked or driven, going back to January 2016. This is our spy photographers' latest look at the vehicle, and the first on public roads. Which may be a sign that it is almost ready for delivery. It replaces the current Beast, which has been in use since 2009. And "car" isn't exactly the right word for this rig, as it's actually a unique vehicle with Cadillac styling cues custom-built atop a medium-duty truck frame. There may possibly be more than one Beast 2.0 delivered, because two limos are sent anywhere the president goes, to provide a backup or decoy. The grille has touches of the Cadillac Escala concept car, which is heavily influencing Cadillac's evolving future look. But it's what's inside that intrigues everyone. Here's what we know, or at least has long been rumored, about the current Beast and the new Beast 2.0. 1. It has its own airplane. It and its twin follow the president around the globe aboard a C-17 Globemaster cargo plane. 2. It's heavily armored, with 5-inch-thick glass, 8-inch-thick doors that weigh as much as a commercial aircraft door, and its components include titanium, ceramics, and a bombproof plate that covers the underside. As such, the old Beast was estimated to weigh between 14,000 and 20,000 pounds. You can therefore imagine how it got its name. 3. It's equipped like the Batmobile or the Green Hornet's Chrysler Imperial Crown, with run-flat tires and night-vision gear. It can fire gas canisters out the front bumper. 4. It has a diesel engine because of its weight and size (see the gallery below for a sense of scale). And of course, diesel is less flammable in a firefight. The old Beast supposedly gets 8 mpg. 5. Its Secret Service codename is Stagecoach. 6. There's a shotgun by the driver and God-knows-what in the trunk. 7. It supposedly has a stock of blood in the president's type, along with a defibrillator and other emergency gear. 8. And it's pretty nice inside, by all accounts. Since this is not Trump's own personal vehicle and may well serve his successor, let's assume the gold leaf has been kept to a minimum and it's done up in tasteful leather and wood. But then again, who really knows, outside of the Secret Service and a handful of GM engineers.

GM extending warranties on Cadillac CTS-V and Chevy Camaro ZL1 for supercharger issue

Okay General Motors, we've sat by and watched you recall the compact cars, crossovers and pickup trucks, and aside from reporting on it, we've been fairly quiet. This, though, this will not do. We can almost tolerate the recalls on the bread-and-butter cars, but leave the performance vehicles alone.
According to a report from The Car Connection, GM has discovered a problem with the superchargers of the 6.2-liter V8s found in the Chevrolet Camaro ZL1 and the Cadillac CTS-V. Apparently, the issue rests around the internal bearing shaft grease, which can become contaminated (we aren't sure with what). If left unchecked, it'll first lead to a rattle at idle, which goes away under slight throttle. The real warning stage is when a high-pitched squeal develops, signaling that the bearing shaft has failed. Naturally, severe engine damage is the next step (although it's possible that the engine will also just refuse to turnover, although neither case is desirable).
According to TCC, GM will replace the superchargers on vehicles that have exhibited symptoms of bearing shaft failure free of charge. It will also, allegedly, be extending the warranty on all supercharged ZL1s and CTS-Vs to 10 years or 120,000 miles (whichever comes first), from the date of purchase. Officially, only 2009 to 2013 CTS-Vs and 2012 to 2013 ZL1s are suffering from this issue.