[nullwasamistake]

This doesn't change flying being a more efficient means of travel. Despite many incentives to carpool and take public transportation, planes are still more efficient because the high travel speed makes being packed like sadines worth it

[wasdfff]

How are you defining efficient? Airlines are time efficient but obviously not environmentally efficient.

[nullwasamistake]

They are environmentally efficient, see the link I posted. They're one of the most fuel efficient means of transport