LIGHT OFF: Sikorsky’s CH-53K Heavy-Lift helicopter has conducted the first test of its Auxiliary Power Unit (APU) engine, signaling the program is ready to begin formal integration testing early next ...

Delphi Corp. and Peterbilt Motors Co. on July 22 announced the successful demonstration of a Delphi solid oxide fuel cell (SOFC) auxiliary power unit (APU) powering a Peterbilt Model 386 truck’s ...

LYON, France—A system designed to enhance the performance of the Ariane 6 that has contributed to the launcher’s development delays has now completed qualification testing. The evaluation campaign for ...

Hamilton Sundstrand, manufacturer of the APS5000 auxiliary power unit (APU) has completed extended twin engine operations (ETOPS) ground tests in preparation for the entry into service of the Boeing ...

DENTON, Texas — Delphi and Peterbilt recently demonstrated a solid oxide fuel cell APU, which was able to successfully power a Peterbilt 386’s electrical system while providing air-conditioning ...

DENTON, Texas –Delphi and Peterbilt recently demonstrated a solid oxide fuel cell APU, which was able to successfully power a Peterbilt 386’s electrical system while providing air-conditioning without ...