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2011 Audi R8 GT, an AW first look

Three years after it burst onto the supercar scene, Audi has unveiled a hard-core version of its R8 called the GT. Based on the existing mid-engine R8 V10 and incorporating aerodynamic, weight-saving and mechanical developments used by the company's R8 LMS GT3 race car, Ingolstadt will build just 333 copies of the new 560-hp four-wheel-drive performance flagship. Pricing has not yet been revealed, but given the extent of the changes to the new two-seater, buyers should expect a hefty premium over the R8 V10's $147,000 price tag when the GT goes on sale in North America.

Terrafugia's next flying car to be a tiltrotor?

It took Bell, Boeing and the United States military decades to get the V-22 Osprey from idea to deployable platform. But with one flying car in the final stages of development, Terrafugia's looking to the military tiltrotor for inspiration. With their Transition model slated to begin deliveries in 2015 or 2016, Terrafugia's TF-X has hit the drawing board.

Ford Energi drivers use all-electric mode 60 percent of the time

Ford has noticed quite a few interesting things by researching how owners use their Ford plug-in hybrids. It appears that Ford owners are driving their hybrids in electric mode nearly 60 percent of the time, using their cars' 21 miles of gas-free all-electric range. This figure contrasts quite a bit with the 41 percent of all-electric drive time earlier in the year, demonstrating that winter driving patterns differ quite a bit from summer driving.