Automotive lithium-ion battery maker EnerDel, Inc. announced today that it will be working with the United States Army to develop a next-generation battery system for the hybrid version of the iconic High Mobility Multipurpose Wheeled Vehicle (HMMWV or Humvee), known as the XM1124 Humvee. The company, a subsidiary of Ener1, Inc. (Nasdaq: HEV), has received [...]