A government investigation into Toyota safety problems has found no electronic flaws to account for reports of sudden, unintentional acceleration.
Transportation officials and engineers with NASA say two mechanical safety defects previously identified by the government -- sticking accelerator pedals and gas pedals that can become trapped in floor mats -- are the only known causes for the reports of runaway Toyotas. Both issues were the subject of large recalls by Toyota.
Transportation Secretary Ray LaHood says the department's 10-month study has concluded there is no electronic-based cause of unintended high-speed acceleration in Toyotas.
Toyota has recalled more than 12 million vehicles globally since fall 2009 for a series of safety issues. The company has denied that electronics are to blame.
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