; (4) make awards to Clean Cities coalitions for administrative expenses of such coalitions; (5) provide technical assistance and training to Clean Cities coalitions; (6) provide opportunities for communication among Clean Cities coalitions; and (7) maintain, and make available to the public, a centralized database of information included in the reports submitted under subsection (d). (d) Annual report Each Clean Cities coalition shall submit an annual report to the Secretary on the activities and accomplishments of the coalition. (e) Definitions In this section: (1) Alternative fuel The term alternative fuel has the meaning given such term in section 32901 of title 49, United States Code. (2) Alternative fuel vehicle The term alternative fuel vehicle any vehicle that is capable of operating, partially or exclusively, on an alternative fuel. (3) Secretary The term Secretary means the Secretary of Energy. (f) Authorization of appropriations There are authorized to be appropriated to carry out this section— (1) $50,000,000 for fiscal year 2020; (2) $55,000,000 for fiscal year 2021; (3) $60,000,000 for fiscal year 2022; (4) $65,000,000 for fiscal year 2023