Past investments

• Amminex
• Protonex Technology Corporation
• PEMEAS GmbH
• Controlled Power Technologies
• PolyFuel
• VAIREX international
• CMR Fuel Cells
• Cellex Power Products
• Blue World Technologies
• Hydrexia
• Qingdao Centec Energy Management Company
• P21
• TouGas Oilfield Solutions
• SFC Energy
• Wal Fuel Systems
• Nano Fusion Technologies
• Heliocentris