The 2011 Porsche 918 hybrid concept is set to debut tomorrow at the 2010 Geneva Motor Show. This is not your average hybrid like Toyota Prius or Honda Insight. With four other debuts planned for this year’s Geneva auto show, Porsche saved one surprise for just before the show opened. Behold the 918 Spyder concept, a radical Carrera GT–like supercar that employs Porsche’s latest take on
