Electric cars seem increasingly likely to replace our gas-guzzling vehicles. Could a new generation of emission-free electric planes do the same to the polluting airliners in our skies--a major step in the fight against climate change? NOVA looks at an array of new electric planes and takes a ride in some prototypes. Will the dream of super-quiet, super-efficient airliners become a reality?

Originally released by PBS, 2021. Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2021.