Pontiac Powertrain Center Will Get $200 Million Investment From GM

PONTIAC, Mich. -- General Motors will add a wing to its engine and transmission development headquarters in Pontiac, Mich., with hopes of getting new technology into cars and trucks much faster. The Detroit automaker on Wednesday announced that it would spend $200 million to add 138,000 square feet of new labs in Pontiac, allowing it to consolidate work from four other facilities.