Fittingly it's called the "Human Car" and for only $15,000 you and three of your fittest friends can go cruising, gas-free, and make lots of new friends on your way.
The chassis is designed to travel at "unlimited speed", and while going downhill in the video looks like great fun, I imagine climbing it may be less so.
Good news is that the production model will be a "Human-Electric" hybrid so the ups won't be quite so bad.
Preorders are being collected on their website, though I'm guessing demand won't outstrip supply too quickly.