The new Google search: how to be cheaper than coal?

We reported earlier this week on Google's announcement that it will spend hundreds of millions of dollars developing new solar and wind technologies. (click here for press release from Google)

The goal, according to Google, is to make renewable energy cheaper than coal, the dirtiest fossil fuel. Google is especially focusing on introducing renewable energy options in fast-growing countries like China and India, which depend heavily on coal.

Here's some more links:

Click here to read an article in Fortune

Click here for an interview with Bill Weihl, Google's "alternative energy czar," on NPR's show, 'Talk of the Nation.'

- David Adams