A Tesla car battery "spontaneously" burst into flames on a California freeway Saturday, and firefighters needed 6,000 gallons of water to put it out.
The Metro Fire Department said in a series of tweets that "nothing unusual" had occurred before the Tesla Model S became "engulfed in flames," but the agency said the car's battery cells "continued to combust" while the fire was being extinguished.
No injuries were reported.
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