# § 2922j. Annual report on purchase of drop-in fuel
**(a)** **In General.—** Not less frequently than annually, the Secretary of Defense shall submit to Congress a report that, for the year covered by the report—
**(1)** identifies each instance in which the Secretary purchased drop-in fuel that was not cost-competitive with traditional fuel; and
**(2)** for each instance identified under paragraph (1), states whether the purchase was based on a military requirement or not.
**(b)** **Definitions.—** In this section:
**(1)** The term “drop-in fuel” means a neat or blended liquid hydrocarbon fuel designed as a direct replacement for a traditional fuel with comparable performance characteristics and compatible with existing infrastructure and equipment.
**(2)** The term “traditional fuel” means a liquid hydrocarbon fuel derived or refined from petroleum.
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**Source Credit**: (Added Pub. L. 118–159, div. A, title III, § 315(b), Dec. 23, 2024, 138 Stat. 1852.)