Doosan Fuel Cell America (formerly ClearEdge Power, Inc.) is a fuel cell manufacturer focusing on the stationary fuel cell. It is headquartered in South Windsor, Connecticut, U.S. The company employed 225 people as of August 2011. It closed its operations in Connecticut in April 2014, and filed for Chapter 11 bankruptcy protection in May 2014. The company has been merged with Fuel Cell Power under a new name Doosan Fuel Cell . The company was founded in 2003 as Quantum Leap Technology after Brett Vinsant created the companys fuel cell in his garage in Hillsboro, Oregon. In August 2005, Quantum Leap changed its name to ClearEdge Power. In January 2006, they received a $2 million investment from a subsidiary of Applied Materials. At that time the company built fuel cell systems to produce back-up power and for continuous power applications. By May 2007, the company had grown to 20 employees and had raised $10 million in venture capital. In early 2008, ClearEdge sold and installed its first fuel cell unit. ClearEdge received an additional $11 million in venture capital from Kohlberg Ventures LLC in January 2009. On May 1, 2009, Russell Ford became the chief executive officer of the then 40-employee company, with Slangerup joining the board of directors.