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Less than two weeks after the Los Angeles auto show’s move from November to May upset the balance of power among the auto industry’s top events for unveiling new vehicles, the Detroit show just snatched the big prize – the sole available time slot for a major show in the fall, the heart of new-vehicle intro season.

The 2021 Detroit auto show, formally known as the North American International Auto Show or NAIAS, will take place Sept. 24-Oct. 9.

Vehicles are shown on the floor of the AutoMobility LA Auto Show on Nov. 21, 2019, in Los Angeles. (Photo: Damian Dovarganes, Associated Press)

“The more we talked to automakers and our other partners, we quickly realized this time of year is the sweet spot,” NAIAS Chairman Doug North said.

“A lot of new models are introduced in the fall. There’s a need for a leading auto show then,