Investment to create or keep around 1,000 jobs had been planned for months.
Vehicles compliant despite German contentions that the cars contain so-called defeat devices.
Race simulators, self-driving features captivate car buyers in Detroit.
Fun features also part of International Auto Show.
Indictment against three former executives announced earlier today.
More than 50 vehicles make global debuts.
CEO Sergio Marchionne: EPA blowing the issue out of proportion.
GM pours $668M into plant for new product.
Accident took place Wednesday morning in Dearborn.
Federal prosecutors object to release for Oliver Schmidt, on of the executives arrested over an emissions scandal.