; and (B) conforms to the standards, recommended practices, requirements and criteria, supporting documents, implementation elements, and any other technical guidance for sustainable aviation fuels that are adopted by the International Civil Aviation Organization with the agreement of the United States. (2) Qualified feedstock The term qualified feedstock means sources of hydrogen and carbon not originating from unrefined or refined petrochemicals. (f) Authorization of appropriations There is authorized to be appropriated to the Administrator of the Federal Aviation Administration $35,000,000 for each of fiscal years 2024 through 2028 to carry out this section. . 8. Department of energy research (a) In general The Secretary of Energy shall carry out a program to research the use of cover crops or other crops grown for conservation purposes rather than for sale in the production of sustainable aviation fuel. (b) Collaboration In carrying out the program under subsection (a), the Secretary shall collaborate with the national laboratories, the Department of Agriculture, and industry partners. (c) Definitions In this section: (1) Sustainable aviation fuel The term sustainable aviation fuel means liquid fuel consisting of synthesized hydrocarbons that— (A) is derived from a qualified feedstock