Doesn't seem specific to electrics. I owned several trucks that couldn't tow that trailer. Towing capacity has more to do with the frame, brakes, and cooling th

Doesn't seem specific to electrics. I owned several trucks that couldn't tow that trailer. Towing capacity has more to do with the frame, brakes, and cooling than it does with energy and power. Still I think someone will make series hybrid pickups at some point. They already make big rigs that way.