10 U.S.C. § 2922j

identifies each instance in which the Secretary purchased drop-in fuel that was not cost-competitive with traditional fuel; and

for each instance identified under paragraph (1), states whether the purchase was based on a military requirement or not.

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.

The term “traditional fuel” means a liquid hydrocarbon fuel derived or refined from petroleum.