Gonna have to ask you for a cite on that one. Climbing costs energy, as does lift. Piston engines and electric both get better mileage than turbines. I could

Gonna have to ask you for a cite on that one. Climbing costs energy, as does lift. Piston engines and electric both get better mileage than turbines. I could see it for a 13 hour flight, maybe. Train tracks don't cross the Pacific, though.