The union filed a federal lawsuit in Cleveland alleging that GM has temporary workers at its pickup truck plant in Fort Wayne, Indiana.

The story of Harley Earl's life, and his influence on the auto industry, and popular culture, is chronicled in the new book "FINS: Harley Earl, the Rise of General Motors, and the Glory Days of Detroit" by William Knoedelseder.

The company says more than 6,000 employees work at these plants. It expects to cut 15 percent of its workforce in order to save some $6 billion by the end of 2020.

GM recalled 2.6 million small cars worldwide in 2014 because their ignition switches could slip from the "run" position to the "off" position, shutting off the engine.

The facility has the highest-ranked automotive manufacturing quality in the Americas in 2017.

The 102-acre site along the White River is owned by a trust that's overseeing its clean up and sale since Detroit-based GM shut down the plant in 2011.

A lover of cars since he was a little tyke who later trained as a sculptor, Ed Welburn has shaped the physical world we live in as the longtime head of design for General Motors.

In a video posted to YouTube, Jeff Bennington challenges President-elect Donald Trump to keep his promise to save American jobs.