EnerDel, who we last saw soaking up some of that Joe Biden stimulus money, is teaming up the the U.S. Army to develop a battery solution for a hybrid Humvee. Of course, your High Mobility Multipurpose Wheeled Vehicle is by its nature very large and very heavy -- great for dropping out of airplanes, perhaps, but not so great a candidate for electric power. Two of the company's battery chemistries will tested in the program, including lithium-manganese spinel (for extending electric vehicle range and electronic systems runtime) and lithium-titanate system (for the hard acceleration and braking required). In addition to "extreme performance simulat