 On January 20 , 2012 , the National Highway Traffic Safety Administration closed the Volt 's safety defect investigation related to post @-@ crash fire risk . The agency concluded that " no discernible defect trend exists " and also found that the modifications recently developed by General Motors are sufficient to reduce the potential for battery intrusion resulting from side impacts . The NHTSA also said that " 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 . " The agency also announced it has developed interim guidance to increase awareness and identify appropriate safety measures regarding electric vehicles for the emergency response community , law enforcement officers , tow truck operators , storage facilities and consumers . 
