Imagine being able to pedal until your knee starts burning, then switching over to all-electric mode and coasting your way ...

The TREV or Two-seat Renewable Energy Vehicle uses a ... if you consider something like this as more akin to an recumbent electric bicycle with a full body you would be closer to the mark.

The camper is sealed, making it water resistant, and has sleeping space for two adults ... It's a camper, a tricycle, and a boat all rolled into one. And it's fully electric.