Soldiers are driving around GM Defense's hybrid, next generation tactical vehicle prototype for the next month at a joint military exercise in Germany, according to an Army press release.

Will a hybrid electric vehicle work as a Humvee replacement? The Army is putting a prototype to the test in Europe.

Albu Assi, Iraq, Feb. 1, 2004: Staff Sgt. Anna Berber-Giddings of the 223rd Military Intelligence Battalion shows the ...