CHARLESTON, S.C.--(BUSINESS WIRE)--SC Launch client company Trulite was highlighted at the annual US Department of Energy (DoE) holiday party. The hydrogen fuel cell company provided its portable, Hydrocell units to power the Christmas tree and other decorations at the event. The guests included Energy Secretary Steven Chu, Department leadership and other employees. According to the DoE statement, this was the first time ever that “the lights used to decorate the holiday tree were powered by a clean, efficient fuel cell.”