The group’s principal activity is to provide onsite power generation systems for commercial, transportation, and space applications. The group's systems use fuel cells, microturbines, chillers, and heat exchangers in various combinations to generate power from natural gas. The group was founded over 50 years ago. The group develops and produces fuel cells for on-site power, transportation, space and defense applications, renewable energy solutions and combined cooling, heating and power (CCHP) solutions for the distributed energy market. The group operates from the United States.