It is part of Google.org's effort to help bring about renewable energy that is cheaper than coal by investing in companies, research and policy development.

FORBES: Magazine Article

To expand ongoing work, the U.S. National Renewable Energy Laboratory and Petrobras is taking steps to sign with Brazil a Cooperative Research and Development Agreement (CRADA) on next generation biofuels.

WHITEHOUSE: Fact Sheet: The U.S.-Brazil Strategic Energy Dialogue