(a) The term State means each of the fifty States, the District of Columbia, and the Commonwealth of Puerto Rico.

(b) The term Secretaries means the Secretary of Agriculture and/or the Secretary of Commerce acting each separately or jointly.

(c) The term commercialization means the stage in the development or advancement of a technology at which point private enterprise is willing to invest in a full-scale production facility.

(d) The term native means hydrocarbon-containing plants and other agricultural crops of strategic and industrial importance which may be cultured in North America, especially plants which are members of the genus Parthenium known as Guayule.