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Statement of National Highway Traffic Safety Administration On Possible Fires in Lithium-Ion Vehicles Involved in a Crash


American Government

Statement of National Highway Traffic Safety Administration On Possible Fires in Lithium-Ion Vehicles Involved in a Crash

NHTSA
November 14, 2011


For Immediate Release
Friday, November 11, 2011
Contact: Lynda Tran, 202-366-9550

WASHINGTON, DC — The National Highway Traffic Safety Administration (NHTSA) issued the following statement today regarding the potential risk of post-crash fires in vehicles powered by lithium-ion batteries:

Electric vehicles show great promise as an innovative and fuel-efficient option for American drivers. These vehicles have already demonstrated their potential to save consumers money at the pump and help protect the environment — and they could pave the way to the kind of clean energy jobs that will help our country compete on a global scale. As manufacturers continue to develop vehicles of any kind — electric, gasoline, or diesel — it is critical that they take the necessary steps to ensure the safety of drivers — and first responders — both during and after a crash.

That's why the National Highway Traffic Safety Administration is working with all vehicle manufacturers to ensure they have the appropriate post-crash protocols. Let us be clear: NHTSA does not believe electric vehicles are at a greater risk of fire than other vehicles. It is common sense that the different designs of electric vehicles will require different safety standards and precautions. The Department of Energy and the National Fire Protection Association already collaborate to ensure first responders know the risks and the appropriate steps to take so they can perform their jobs safely given the shock hazard that a damaged electric vehicle may present, and NHTSA will work closely with these organizations to ensure that guidance for the emergency response community reflects the information NHTSA obtains.

In the near term, NHTSA is focused on identifying the best ways to ensure that consumers and emergency responders are aware of any risks they may encounter in electric vehicles in post-crash situations. The agency has asked all of the manufacturers who currently have electric vehicles on the market (or plans to introduce electric vehicles in the near future) to provide information on the protocols they have established for discharging and handling their lithium-ion batteries — including any recommendations for mitigating fire risks in these vehicles. Ultimately we hope the information we gather will lay the groundwork for detailed guidance for first responders and tow truck operators for use in their work responding to incidents involving these vehicles.

NHTSA has carefully investigated an incident involving a fire in a Chevy Volt that occurred more than three weeks after that vehicle had been crash tested as part of the agency's New Car Assessment Program on May 12 of this year. NHTSA has concluded that the crash test damaged the Volt's lithium ion battery and that the damage led to a vehicle fire that took several weeks to develop after the test was completed. That incident — which occurred at the test facility and caused property damage but no injuries — remains the only case of a battery-related fire in a crash or crash test of vehicles powered by lithium-ion batteries, despite a number of other rigorous crash tests of the Chevy Volt separately conducted by both NHTSA and General Motors. In the coming weeks, in collaboration with the Department of Energy, NHTSA will conduct additional testing of the Volt's lithium-ion batteries and will continue to monitor these vehicles — as the agency does with all vehicles on our nation's roadways — should any safety issues arise.

Based on the available data, NHTSA does not believe the Volt or other electric vehicles are at a greater risk of fire than gasoline-powered vehicles. In fact, all vehicles — both electric and gasoline-powered — have some risk of fire in the event of a serious crash. NHTSA urges the following precautions in the event of a crash involving an electric vehicle:

For more information, visit www.SaferCar.gov.




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