Summary: What if you could trade your car in for the newest updated version every 18 months? Jay Rogers (<a href="https://twitter.com/johnbrogers" target="_blank">@JohnBRogers</a>) lets us know about his plan for the future: Trade in your 3D printed car, have it ground down and turned into materials for your new car! <a href="http://www.ernlive.com/show/popular-science-radio/57/episodes/future-of-cars-ai-and-dna-full-show-326" target="_blank">Listen to Full Episode #326</a> <a href="http://ern-wp-content.s3.amazonaws.com/wp-content/uploads/2016/08/PS_082016_IHEART_06.mp3" target="_blank">Download Segment 6</a>
