the next day, ntsa opened a formal defect investigation of post crash fire risks and voeltz. by taking this uncommon step, ntsa sought to insure the safety of the driving public. gm proposed a feel fix to mitigate intrusion by adding a reinforcement collar around the battery compartment. our technical team reviewed and tested the remedy and confirmed there was no intrusion into the battery compartment, no leakage of coolant and no post impact fire. as a result, we have concluded the agency's investigation and found no discernible defect trend. ntsa continues to believe that electric vehicles show great promise as a safe and fuel efficient option for american drivers. based on the available data, ntsa does not believe that voeltz or other electric vehicles pose a greater risk of fire than gasoline powered vehicles. in fact, all vehicles that have some fire in the event of a serious crash. however, electric vehicles have specific attributes that should be made clear to consumers, law enforcement, emergency response communities, and tow truck operators. ntsa has been working wit