Self-driving "drone" cars should be on California roads, except that they're not

[NewsBot]

Monday was supposed to be a big day for driverless cars in California that would make history and send fleets of self-driving vehicles onto roadways. Except it wasn't. History will have to wait. April 2 was supposed to be the day that the California DMV would begin issuing permits to the 50 or so companies testing self-driving cars backed up by...

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