German startup Roof Space turned to the Indiegogo crowdfunding community to help bring its unique hybrid rooftop tent design ...

Roof tents, in particular ... safari-cool associated with sleeping on top of your car, van, or pickup truck. Are they worth the hefty price, though, and does the TentBox belong in T3's best ...

That’s not great but not terrible for a big truck with a roof rack and roof tent. Before these accessories were installed, the efficiency was a bit better at 471 Wh/mile or 2.12 miles/kWh.