EnerFuel is a wholly owned subsidiary of Ener1 focused on the manufacture of high Temperature PEM fuel cell stacks.  Their market areas include:

• Stationary power systems for telecommunication back-up and prime power using natural gas, propane, or bio-diesel
• Stationary power systems for distributed power and micro-CHP using natural gas and propane
• Custom power systems for vehicle range extenders, military applications, and industrial applications