EnSync Inc., the Menomonee Falls-based energy storage company on the verge of discontinuing operations, recently laid off more than half of its employees in an effort to reduce costs, according to the latest announcement regarding the company's financial status. On Feb. 14, the company said it eliminated about 25 employees. Doing business as EnSync Energy Systems, the company has a joint venture in China and an energy development subsidiary in Hawaii. It employs 64 people throughout offices in...