"When you engineer a technology-filled, all-electric mini car that goes from zero-to-60 mph in less than eight seconds, customers won't miss the gas, " said Mark Reuss, president, General Motors North America.

ENGADGET: Chevy details 2014 Spark EV: under $25,000, 0-60 in 8 seconds and a 20-minute fast charge

Google says its Mini customers range from appliance maker Sub-Zero to the Nasdaq stock market, public-sector patrons such as the city of Bloomington, Ill. and the University of Oklahoma.

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