New United Motor Manufacturing, Inc. (NUMMI) was an American automobile manufacturer based in Fremont, California. Jointly owned by General Motors and Toyota, the plant opened in 1984 and closed in April 2010. Before NUMMI, the site was the former Fremont Assembly that General Motors operated between 1962 and 1982.
Before its transformation, the relationship between workers and supervisors was adversarial. Management prioritized production quantity over quality and disregarded employee input. Like other American car plants at the time, production lines rarely stopped, and defective cars were allowed to proceed, with the expectation they would be fixed later. By the early 1980s, this environment led to widespread issues, including absenteeism, substance use during work hours, and an inability to reliably start production due to missing workers. Attempts to discipline workers were often met with grievances or even strikes, putting the plant into near-continuous chaos.
General Motors viewed the joint venture as a way to access high-quality small cars and learn from Toyota’s renowned Production System, a lean manufacturing philosophy. For Toyota, NUMMI provided a foothold in North America, helping it avoid import tariffs while gaining insights into the American labor environment, particularly in dealing with the United Auto Workers union.
Prior to reopening, Toyota sent many NUMMI workers to its Takaoka plant in Japan, where they worked on the assembly line and learned the Toyota Production System. Workers noted that Toyota's focus on quality and teamwork inspired a shift in their work ethic. Cultural changes included equal uniforms, parking, and cafeteria access for all employees, promoting a team environment. Toyota also introduced a no-layoff policy, built-in quality control processes, and employee suggestion programs for continuous improvement. Decision-making became consensus-based, a stark contrast to the previous top-down management approach.
Which of the following, if true, would most strengthen the argument that Toyota’s focus on quality and teamwork was the primary reason for the cultural transformation at NUMMI?
A. Workers at NUMMI reported that their overall job satisfaction improved dramatically after they returned from training in Japan.
B. The majority of other U.S.-based joint ventures between General Motors and foreign companies did not experience similar cultural transformations.
C. NUMMI’s production output increased by 20% in the first year after Toyota took over management of the plant.
D. Employees who had previously resisted management's instructions were now contributing ideas through the employee suggestion programs.
E. Toyota’s Takaoka plant, where NUMMI workers received training, had been implementing a similar production philosophy for over a decade.