In article ,
Happy Dog wrote:

How many kilowatts does a passenger jet consume to run all the other stuff
that must be powered whilst taxiing? A/C, lighting, avionics etc.
Batteries seem an unlikely solution for all that. Additional batteries plus
the power from an idling engine? Third rail?

APU.

--
Eduardo K. | Some say it's forgive and forget.
http://www.carfun.cl | I say forget about forgiving just accept.
http://e.nn.cl | And get the hell out of town.
| Minnie Driver, Grosse Point Blank