In late June, workers at General Motors Co's (NYSE: GM) Ultium electric-vehicle plant in Lordstown, Ohio, confronted a defective battery that caught fire. The incident did not involve any life-threatening injuries. The United Auto Workers (UAW) union and Ultium Cells LLC, jointly owned by GM and LG Energy Solution, are negotiating a labor contract, Bloomberg reports. The UAW is seeking better safety protections following multiple accidents at the plant, where 22 workers have suffered injuries an