Filed under: Hybrid , Sedan , Government/Legal , Safety , Chevrolet The National Higway Traffic Safety Administration has officially closed the book on its investigation into the Chevrolet Volt . The result finds that “no discernible defect trend exists” and “Based on the available data, NHTSA does not believe that Chevy Volts or other electric vehicles pose a greater risk of fire than gasoline-powered vehicles.” NHTSA supports the modifications developed by General Motors to address “specific attributes” particular to electric vehicles in the event of a crash. GM is retrofitting the nearly 8,000 Volts sold with additional side reinforcements and a sensor to detect coolant leaks, which was found to be the cause of the short-circuiting battery and resulting fires . The agency also issued guidelines for first responders and auto shops coming who encounter Volts that have been involved in accidents

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Official: NHTSA concludes investigation into Chevrolet Volt fires, no defect found