+1
It's free for a 2 hour trip. So technically you can book 2 hours, end it, then rent it again. But the car only has 81 miles of range before needing to be recharged.
...and they got a TPG post! Congrats. http://thepointsguy.com/2016/03/waivecar-arrives-in-santa-monica/
Smells like a paid ad though they claim not.