GENERAL AUTHORITY.

SEC. 621. GENERAL AUTHORITY. (a) Program.— The Secretary shall undertake a program with one or more non-Federal persons, including fleet operators, for cost-shared research, development, demonstration, or commercial application of an infrastructure and support systems program. (b) Eligibility.— A non-Federal person shall be eligible to receive financial assistance under this subtitle only if such person demonstrates, to the satisfaction of the Secretary, that the person will conduct a substantial portion of activities under the project in the United States using domestic labor and materials. (c) Coordination.— Activities under this subtitle shall be coordinated with activities under subtitle A.