"Platooning" [1] could decrease air resistance quite a bit and that wouldn't even require a fully autonomous car. [1] https://www.theguardian.com/technology/20

"Platooning" [1] could decrease air resistance quite a bit and that wouldn't even require a fully autonomous car. [1] https://www.theguardian.com/technology/2016/apr/07/convoy-self-driving-trucks-completes-first-european-cross-border-trip https://www.theguardian.com/technology/2016/apr/07/convoy-se...