The United States drives more than any other society, and the self-driving car provides the glorious possibility of a hands-free cross-country road trip.

美国比世界上任何其他国家更依赖于驾驶，自动驾驶汽车也许可以为一次让双手解放出来的横穿全国的公路之旅提供不错的可能性。

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If you have OnStar in your car, you may soon be able to send and receive hands-free Tweets through OnStar's voice-activated calling system.

如果你的车上安装了OnStar，你也许很快就能通过OnStar的语音呼叫系统来接收和发送你的Tweets而不必使用手了。

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Finally, TravRoute has created a voice-enabled software program that works with a Global Positioning System to allow hands-free, eyes-free directional information in a car.

CNN: Speech technology is everywhere

This announcement follows the recent release of the TomTom Hands-free Car Kit for Smartphones.

ENGADGET: TomTom bringing its navigation app to Android in October, keeping mum on the details

The company is developing its own in-car device holder so that customers can hook up their phones for hands-free functions, and more importantly, the Zipcar smartphone app is due for a major update.

ENGADGET: Zipcar CEO talks mobile app improvements, predicts connected vehicle future