Hit all green lights with new Audi gadget

(PhysOrg.com) -- If you drive down the same roads every day, you probably know the patterns of familiar stop lights - how long they take to turn green, or when the green arrow will appear. For light-conscious drivers or anyone looking to save some fuel, Audi is developing a new device that lets you know when upcoming stop lights will turn green, and even calculates how fast you should drive in order to coast through them.

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<p><a href="http://www.physorg.com/news144038735.html">Hit all green lights with new Audi gadget</a></p> <p>(PhysOrg.com) -- If you drive down the same roads every day, you probably know the patterns of familiar stop lights - how long they take to turn green, or when the green arrow will appear. For light-conscious drivers or anyone looking to save some fuel, Audi is developing a new device that lets you know when upcoming stop lights will turn green, and even calculates how fast you should drive in order to coast through them.</p>