OT - Clean Energy Sources: Sun, Wind and Subsidies As Governments Increase Spending and Support for Renewable Power, Even Fans Wonder If Aid Could Be More Efficient
 

The title tells it all. Very useful is the graphic showing the relative
cost of various energy sources. What would also be instructive would be
a chart showing cost on one axis and scalability on the other.

http://online.wsj.com/article/SB126290539750320495.html

The Wall Street Journal, 8 January 2010.

Joe Gwinn