Elon Musk - Tesla, Solarcity, SpaceX. Jeremy Rifkin / Energy, 3rd revolution. + Hermann Scheer. Carole Browner. The Shift Project. Nikola Tesla. Amory B. Lovins. Bertrand Piccard. Shai Agassi - Better Place. Justin Hall-Tipping: Freeing energy from the grid. Cédric Philibert - AIE.