Prototype Car motor is 60% efficient compared to standard 15% (nbcnews.com)

Good to hear this finally made it to presentation! It's been in development for a while. https://news.ycombinator.com/item?id=2337237 has some discussion about the tech.

Article's from 2011. From Wikipedia: "As of mid-2012, no news of the vehicle-sized engine had yet been made."