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November 27, 2011

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US auto regulators investigate GM's Volt

UNITED States 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.

The NHTSA said it was taking the action after recreating this month a May crash test that resulted in fires in two out of three tests.

"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," NHTSA said.

Earlier this month, the agency said it was looking into 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.

It said it was not aware of any fires resulting from actual crashes on roadways.

NHTSA said on Friday it believed 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.

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.

"The Volt is safe and does not present undue risk as part of normal operation or immediately after a severe crash," Jim Federico, General Motors chief engineer for electric vehicles, said in a statement.

"GM and the agency's focus and research continues to be on battery performance, handling, storage and disposal after a crash or other significant event, like a fire, to better serve first and secondary responders."

In the May crash test, the Volt's 400-pound lithium ion battery pack was damaged and a coolant line was ruptured.

Toyota's Prius, which leads the hybrid vehicle market, is powered by older nickel metal hydride battery technology.

This month's tests aimed to simulate a real-world, side-impact collision into a tree or pole, followed by a rollover.

The Volt has a gas-powered 1.4-liter engine to provide additional range after it has run about 64 kilometers on a fully charged battery.



 

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