In case you haven't seen it, Paul Gipe has another article (and a great presentation link in this article) on his website. The article deals with a proposal to install 1 Million MW of wind turbine capacity ASAP:

http://www.wind-works.org/LargeTurbines/OneMillionMegawattsofWindCapacity.html

This 1 TW (terawatt) of capacity would produce an average of about 300 GW of output at the (for Iowa) low average yield of 30% of capacity. Since the total US demand is 450 GW...well, that's a start. It's also a great way to do a Keynsian Stimulus, something that the US economy (and the world economy, for that matter) really needs right now. He envisions that about half of this would be used for a new application - electric cars, mostly for urban areas, where the distance traveled per "jaunt" tends to be small (