(a) Definition of eligible entity
In this section, the term "eligible entity" means—

(1) an 1890 Institution (as defined in section 7601 of title 7);

(2) a part B institution (as defined in section 1061 of title 20) (commonly referred to as "Historically Black Colleges and Universities");

(3) a tribal college or university (as defined in section 1059c(b) of title 20); or

(4) a Hispanic-serving institution (as defined in section 1101a(a) of title 20).

(b) Grants
The Secretary shall make cellulosic ethanol and biofuels research and development grants to 10 eligible entities selected by the Secretary to receive a grant under this section through a peer-reviewed competitive process.

(c) Collaboration
An eligible entity that is selected to receive a grant under subsection (b) shall collaborate with 1 of the Bioenergy Research Centers of the Office of Science of the Department.

(d) Authorization of appropriations
There is authorized to be appropriated to the Secretary to make grants described in subsection (b) $50,000,000 for fiscal year 2008, to remain available until expended.