GM Racing to Raise Production, Satisfy Antsy Buyers

General Motors Co. continues to add shifts at assembly plants cranking out its hottest products, but the auto maker’s North American chief says in some cases the cars and trucks cannot come fast enough.

“Capacity is really tough for us right now,” GMNA President Mark Reuss says during a Web chat today. “We are basically running 100%, full-on for all of our new products, which is great but we are leaving sales on the table, as we know.”

Some 10 months removed from ...