Secretary of Agriculture Tom Vilsack, Secretary of Energy Steven Chu, and Secretary of the Navy Ray Mabus issued a Request for Information August 31 as the next step in the creation of a public-private partnership to develop drop-in advanced biofuels. The three departments announced August 16 a $510 million investment in the private sector to produce advanced drop-in aviation and marine biofuels to power military and commercial transportation, responding to President Obama’s Blueprint for a Secure Energy Future.