WASHINGTON (AP) — The government's auto safety agency should have discovered General Motors' faulty ignition switches seven years before the company recalled 2.6 million cars to fix the deadly problem, a House committee majority charged Tuesday in a new report. The report by Republicans on the Energy and Commerce Committee raised serious questions about the agency's ability to keep the public safe as cars become more complex. The National Highway Traffic Safety Administration misunderstood how vehicles worked, lacked accountability and failed to share information, according to the report, which was issued the same day that a Senate panel led by Democrats is scheduled to hold a hearing on the matter. "It is tragic that the evidence was staring NHTSA in the face and the agency didn't identify the warnings," Committee Chairman Fred Upton, R-Mich., said in a statement.Read more on NewsOK.com