Washington, June 3 A senior US lawmaker has raised concerns over a Commerce Department decision allowing a foreign automaker with significant ties to China to continue selling and producing connected vehicles in the United States.This could expose sensitive data, undermine national security safeguards and create loopholes in restrictions aimed at keeping Chinese technology out of the American auto market, Representative Debbie Dingell, a Michigan Democrat, warned.In a letter to Commerce Secretary Howard Lutnick, he questioned a recent authorisation granted by the Office of Information and Communications Technology and Services (OICTS) despite the administration's connected vehicle security restrictions."The Department of Commerce…