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Q&A: David Townsend, GM global design director, user experience

GM's new design director of user experience, David Townsend, has only been in the job just over a month. But with a remit extending to the interface design of every vehicle in GM's global portfolio, his influence will soon be widespread. After graduating from Art Center with a degree in transportation design, Townsend interned for Toyota but soon moved to Motorola, where he developed wearable Bluetooth technology and designed the familiar headsets worn by coaches in the NFL.

Brabus upgrades Mercedes-Benz SL Roadster

German tuner Brabus has added the 2013 Mercedes-Benz SL Roadster to its stable of upgradable cars. The horsepower wizards from Bottrop, Germany, wrung 520 hp from the SL's 4.7-liter bi-turbo V8, which should be good enough for a top speed of 186 mph. The Brabus B20 PowerXtra module is responsible for the 85-hp increase and the 88 lb-ft of extra torque.

Flying car gets regulatory clearance

The Jetsons' futuristic vision of a flying car is one step closer to becoming a reality. Terrafugia, a Massachusetts company developing a "roadable aircraft" named the Transition, just received special exemptions from the National Highway Traffic Safety Administration that will help it move the vehicle move forward to production. NHTSA will allow the Transition to be outfitted with plastic windows rather than standard automotive safety glass.