Elon says its cheaper to use a big plane for a long trip, than a small plane for a short trip @elonmusk #SXSW #AMAhttps://t.co/uS4e1DoGRS pic.twitter.com/jni9dDZ5sn
— martinengwicht (@martinengwicht) March 11, 2018
from Twitter https://twitter.com/martinengwicht