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(Reuters) - U.S. auto safety regulators are opening a formal investigation into fire risks in General Motors' Volt vehicles.
The National Highway Traffic Safety Administration said on Friday it was taking the step after efforts to recreate a May crash test saw fires result from two out of three crash tests performed this month.
"While it is too soon to tell whether the investigation will lead to a recall of any vehicles or parts, if NHTSA identifies an unreasonable risk to safety, the agency will take immediate action to notify consumers and ensure that GM communicates with current vehicle owners," the agency said.
Earlier this month, NHTSA disclosed that it was probing the safety of batteries used to power electric vehicles after fire broke out in a Volt battery pack three weeks after a side-impact crash test.
NHTSA said on Friday it believes that electric vehicles have incredible potential to save people money at the pump, help protect the environment, create jobs and strengthen national security by reducing dependence on oil.
Nevertheless, it is working with manufacturers to ensure they have appropriate post-crash protocols and to help inform emergency services of the potential for post-crash fires in electric vehicles.
Reporting by Tim Dobbyn