June 2 2010 Autoblog: It's the all-aluminum (foil), zero-emissions Ferdinand GT3 RS The revolutionary foil over (PCV) tube-frame construction yields a total mass of just 220 pounds, making the Lotus Elise look like a total porker. It's not very fast, though. Nor very safe, I imagine. Read more about Autoblog: It's the all-aluminum (foil), zero-emissions Ferdinand GT3 RS