3 ms·

perhaps with autonomous cars and rails the cars can follow each other very closely so improves aerodynamics too.

• dest 9y ago
  indeed
• dx034 9y ago
  They already trialed that with trucks where several trucks form a convoy, controlled from the first one. Saves ~30% fuel for the following trucks. That could be used flexibly and probably contain 5-6 trucks minimum without disturbing traffic.