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Porsche 911 GT3 R Hybrid race car revealed

Porsche will bring its latest hybrid know-how to the racetrack in the form of the new 911 GT3 R Hybrid, revealed here for the first time prior to a planned public premiere at the Geneva auto show in early March. Developed by a team of engineers at Porsche's Weissach R&D center, Porsche plans for the stripped-out race car to act as a rolling laboratory. The German carmaker wants to explore the potential of hybrid drivetrains in a racing environment before an expected announcement that it will return to the 24 Hours of Le Mans in a factory capacity, perhaps in 2012, with a race car boasting technology based on that used in the 911 GT3 R Hybrid.

Mercury rolls into history with build of final Grand Marquis

The last Mercury--a Grand Marquis--rolled off the production line Tuesday at Ford Motor Co.'s assembly plant in St. Thomas, Ontario, marking the official end of another Detroit brand. The sedan will be shipped as part of a fleet order, Ford spokeswoman Marcey Evans said.

Apps can help you save at the pump

Here's another thing your smartphone can help you with--saving money at the pump. Mobile-app hub Appitalism.com put together a list of apps that will help customers find lower gasoline prices. Cheap Gas, which is free for the Android operating system, helps find the least expensive gas stations near you using your mobile phone's GPS.