KANSAS CITY, Kan. (AP) -- Officials of General Motors and the United Auto Workers have scheduled what they say will be a significant announcement about the company's Fairfax assembly plant in Kansas City, Kan.

Federal and local officials are also expected to be on hand for the announcement, scheduled for noon Monday at the plant.

The Fairfax plant employs about 3,900 people and makes the Buick LaCrosse and Chevrolet Malibu. GM says the plant has produced more than 12 million vehicles since 1945, and currently builds one vehicle every 58 seconds.