September 28, 2012 at 10:23AM GreenGT H2 eyes-on: the first fuel cell-powered racer to tackle Le Mans
June 18, 2012 at 5:55AM Audi's e-Tron becomes the first hybrid to win Le Mans, saves the planet at the same time
December 12, 2010 at 9:00PM Inhabitat's Week in Green: electric vehicles gear up to race, Apple's new HQ, and living architecture