Group 1 - General Motors is laying off about 200 workers at its all-electric Factory Zero plant in Detroit to adjust production according to market dynamics [1] - The layoffs are temporary and not related to recently imposed auto tariffs [1] - Factory Zero produces several electric vehicle models including the Chevrolet Silverado EV, GMC Sierra EV, Hummer EV SUV and pickup, and all-electric Escalade IQ [1] Group 2 - Factory Zero employs approximately 4,500 workers [2]