You can power the entire U.S. vehicle fleet with 73,000 to 145,000 five-megawatt wind turbines. That would take between one and three square kilometers of footprint on the ground.
Mark Z. JacobsonYou could power America with renewables from a technical and economic standpoint. The biggest obstacles are social and political - what you need is the will to do it.
Mark Z. JacobsonThere is no need for nuclear. The world can be powered by wind, water and sun alone.
Mark Z. Jacobson