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VIDEO: Porsche Panamera

Porsche revealed the first images of its new four-door, four-seat super sedan last week, and now we've got two new videos to supplement our updated gallery. The video on the left is stock footage, while the car is put through its paces on a winding road perched high in the mountains in the video on the right. See below for our previous news articles on the Panamera and our 23 image gallery.

BMW 5-Series GT introduces liftback model

BMW will bring the elevated seating and packaging of an SUV to its 5-series line with the addition of a liftback model called the Grand Turismo or, simply, GT. The automaker is now revealing the production look for the vehicle, which will debut at this fall's Frankfurt motor show after having been previewed as a concept car at the Geneva show in March. It will go on sale in the United States in December, priced in the low-$70,000s range.

World Health Organization condemns diesel exhaust as Class 1 carcinogen

News flash: Diesel exhaust is bad for you, particularly if you're a miner. Following eight days of deliberation, the World Health Organization's cancer-research board has named diesel exhaust a Class 1 carcinogen. The finding puts the fuel in the same category as asbestos.