GM was forced to sharply curtail production earlier this year, when workers walked off the job at one of the automaker's biggest suppliers, American Axle & Manufacturing. By the time the confrontation was settled on May 26, more than 30 of GM's North American plants were at least partially idled. The dispute cost the giant automaker an estimated $2.6 billion in revenues on 330,000 units of lost production.
The last five GM plants affected by the American Axle strike - all producing engines for GM - returned to work today.
The General suffered a 27.5 percent decline in sales in May, the bulk of that coming on the truck side of the production lineup. As a result, the automaker announced earlier this month plans to close four light truck plants, which will reduce its North American production capacity by about 500,000 units annually.