Special Company Announcement Is Planned in Celebration of Earth Day, April 22, 2021 VAN NUYS, CA / ACCESSWIRE / April 20, 2021 / Capstone Turbine Corporation ( www.capstoneturbine.com ) (NASDAQ:CPST) ("Capstone" or the "Company"), the world's leading manufacturer of clean technology, microturbine energy systems, announced today that in Fiscal 2021, which was the 12 months ending March 31, 2021, the Company estimates it saved its end-use customers over $217 million in annual energy costs and...