The European Aviation Safety Agency (EASA) has approved the PW545D Turbofan for the Cessna Citation Ascend, adding to prior approvals from Transport Canada and the FAA. In other engine news, PBS Velka Bites celebrates the production of its 1,500th auxiliary power unit (APU), which provides power options for helicopters and airplanes. Airbus partners with BAE for micro-hybridization energy storage, aiming to utilize batteries in certain operational phases. Hermeus unveils its hypersonic test facility, HEAT, at Cecil Airport, incorporating upgraded former NAS equipment. Pipistrel is making strides in propulsion technology by advancing hydrogen, hybrid, and electric power options. The aviation industry sees a mix of traditional and new technologies driving the future of aircraft engines, including a focus on hydrogen power. Engine manufacturers are betting on hydrogen fuel prospects to spark innovations. French start-up Beyond Aero secures backing for a hydrogen business jet, with major business aviation OEMs yet to commit to hydrogen propulsion.