I noticed that they are selling RV trailers that help haul themselves, and now electric trailers for semis.

https://electrek.co/2026/03/26/lightship-electric-rv-trailer...

https://electrek.co/2025/06/30/pebble-begins-deliveries-elec...

https://electrek.co/2026/05/08/really-quick-charge-with-rang...