LOS ANGELES--(BUSINESS WIRE)---- CGEH #AIInfrastructure--Capstone Green Energy Holdings, Inc. (the "Company†or "Capstone†) (OTCQX: CGEH), together with its subsidiaries, a leading provider of clean technology solutions using ultra-low-emission microturbine energy systems, today announced the closing of its previously announced private investment in public equity financing (the "PIPE†), resulting in gross proceeds of approximately 15 million (before fees and expenses). The Company issued an aggregate o ...