A report has linked faulty airbags in two of the six models recalled by General Motors to 303 deaths. The study, commissioned by the Center for Auto Safety, reviewed US federal crash data for the models. GM has recalled nearly 1.6 million vehicles over faulty ignition switches which could turn off the engine, disabling the airbags. But it has disputed the number in the report, saying it only looked at raw data and did not evaluate the reasons. "Without rigorous analysis, it is pure speculation to attempt to draw any meaningful conclusions," the company said in a statement. "In contrast,...