New report on Potential for Renewable Energy use in the US

You can read the report online for free, the summary of the findings:

1. Renewable could account for 10% of US energy needs by 2020
2. To increase the usage of renewable energy greater than 10%, significant investment, technological progress, policy changes and incentives need to exist
3. technological developments and consistent policy will need to be coordinated with manufacturing capacity and access to capital in order to accelerate deployment of renewable electricity