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Underground Racing Lamborghini cracks 250 mph--watch the video here

Earlier this year, we told you about Underground Racing, a shop in Charlotte, N.C., that makes a business out of upgrading Lamborghinis with twin turbochargers to boost engine output to more than 1,000 hp. Now, a Lamborghini Gallardo Superleggera upfitted by Underground Racing cracked the 250-mph mark at the Texas Mile event. Car owner Richard Holt made the 250.1-mph run in late March, but video was posted just this week.

Porsche acquires Nardo Test Track as its new playground

Porsche Nardo Test Track (map from Google Earth) The enormous Nardo Test Track near Lecce, Italy, has been acquired by Porsche as a new testing ground. Top Gear viewers will probably remember the opening episode if the last series of Top Gear (series 18) with the Lamborghini, McLaren and Noble in Italy or, more specifically, in the Lecce region of Italy which nestles in the warmth of Italy’s heel. The Lecce region also houses the Nardo Test Track which is where the boys took their supercars to hammer round the slightly bumpy outer oval seeking top speed.

GM to halt medium-duty truck production

Production of the Chevrolet Kodiak and the GMC Topkick medium-duty trucks will cease by July 31, General Motors said Monday. GM has spent four years searching for potential buyers for the truck business, but has decided to wind down its medium-duty truck operations. In 2007, Navistar International Corp.