The Trump administration’s tariffs on imported cars and auto parts will cost General Motors between $4 billion and $5 billion ...

CEO Mary Barra shared the estimates in a letter to ... According to an estimate from American University Kogod School of Business, GM’s US-built vehicles have American parts making up an average ...

But in an interview on CNN, CEO Mary Barra said the company doesn’t necessarily ... According to an estimate from American University Kogod School of Business, GM’s US-built vehicles have ...