42 U.S. Code § 16152. Definitions

In this subchapter:
(1) Fuel cell

The term “fuel cell means a device that directly converts the chemical energy of a fuel, which is supplied from an external source, and an oxidant into electricity by electrochemical processes occurring at separate electrodes in the device.

(2) Heavy-duty vehicleThe term “heavy-duty vehicle means a motor vehicle that—
is rated at more than 8,500 pounds gross vehicle weight;
has a curb weight of more than 6,000 pounds; or
has a basic vehicle frontal area in excess of 45 square feet.
(3) Infrastructure

The term “infrastructure means the equipment, systems, or facilities used to produce, distribute, deliver, or store hydrogen (except for onboard storage).

(4) Light-duty vehicle

The term “light-duty vehicle means a motor vehicle that is rated at 8,500 or less pounds gross vehicle weight.

(5) Stationary; portableThe terms “stationary” and “portable”, when used in reference to a fuel cell, include—
continuous electric power; and
backup electric power.
(6) Task Force

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

(7) Technical Advisory Committee