Go Green APU President Harry Benjamin (center) and employee Don Hagerty (right) show U.S. Rep. John Joyce one of the company’s APU units. MIrror photo by Andrew Mollenauer An Altoona auxiliary ...

Delphi's SOFC APU utilizes diesel fuel from the semi's main tank to generate electricity to power equipment in the truck's cab, including the air conditioning unit, television, microwave ...