Without the APU, there's not enough energy to start ... you'll noticed that it has a hole on the back of the tail. It's called the auxiliary power unit, and it's the smallest engine on the plane.

Green APU manufactures auxiliary power units, which can be installed on tractor-trailers to offset fuel costs, allowing the ...

On January 27th, the Environmental Protection Agency (EPA) added Delphi's Solid Oxide Fuel Cell (SOFC) Auxiliary Power Unit (APU) to its Emerging Technologies list, acknowledging that Delphi's ...

Electric auxiliary power units have often frustrated truck drivers ... technology marks a significant advancement for our APU solution,” said Wade Seaburg, chief revenue officer of Dragonfly ...

The part of the plane that was leaking oil is called the Auxiliary Power Unit, or APU. The APU provides power to start up the engines and to run the electrics on the aircraft when the main engines ...

Temperature-controlled carrier Stevens Transport is adding Dragonfly Energy’s Battle Born all-electric auxiliary power units as part of ... Redefining the electric APU The Battle Born APU ...

Padma Shri Awardee Mohandas Pai criticised IndiGo Airline for improper treatment and hospitality for passengers.

In a post on X, Mohandas Pai strongly criticised IndiGo for leaving passengers on the tarmac without air conditioning.

But there's another engine hidden int he back of the tail. Called the auxiliary power unit (APU) It's the smallest engine on a plane. But you could say it's the most important one of all.