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07-13-12, 12:30 PM
Between 1950 and 1970, the number of vehicles in the world roughly doubled every 10 years. That trend began to shift in the mid-1980s, when the vehicle population reached a staggering 500 million vehicles in 1986. Twenty-four years later, we've eclipsed the 10-digit mark, with more than 1 billion vehicles registered worldwide. That's enough for ...http://feeds.feedburner.com/~r/wired/index/~4/p1CfAXgwXWc

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