John Dingell: “Do you believe that a single study is sufficient to approve a class III device?”

Thank you, Mr. Chairman.

I look to her and the GM leadership for establishing more responsible and communicative cultures at GM.

Now, again, Ms. Barra, it is also important that all automakers communicate clearly and promptly with NHTSA.

it was essential for the protection of public health and the environment that EPA have a firm mandate for a comprehensive approach to protection from hazards due to chemical substances.