Winner 2009: Three young French designers’ plan to use existing infrastructure to create clean energy
Winner 2008: Eric Olsen's Solar Water Disinfecting Tarpaulin
Winner 2007: Civil Twilight’s Lunar-Resonant Streetlights
Winner 2006: Virginia San Fratello’s Hydro Wall
Winners 2005: Joseph Hagerman’s Biopaver & Alisa Andrasek’s Genware: Algorithmic Library
Winner 2004: Single Speed Design
