Altergy Speaks @ ISE Expo – “Fuel Cells: The Future of Sustainable, Reliable Backup Power for Mission Critical Applications” web-admin 6 years ago See Altergy’s Sales Director, Vito Coletto presentation, “Fuel Cells: The Future of Sustainable, Reliable Backup Power for Mission Critical Applications” on Wednesday September 21st, 8-9am. Altergy will also be at booth #1008.