42 U.S.C. § 16121

(1) Fuel cell

The term “fuel cell” means a device that directly converts the chemical energy of a fuel and an oxidant into electricity by electrochemical processes occurring at separate electrodes in the device.

(2) Light-duty or heavy-duty vehicle fleet

The term “light-duty or heavy-duty vehicle fleet” does not include any vehicle designed or procured for combat or combat-related missions.

(3) Stationary; portable

The terms “stationary” and “portable”, when used in reference to a fuel cell, include—

(4) Task Force

The term “Task Force” means the Hydrogen and Fuel Cell Technical Task Force established under section 16155 of this title .

(5) Technical Advisory Committee

The term “Technical Advisory Committee” means the independent Technical Advisory Committee selected under section 16156 of this title .