# § 16152. Definitions
In this subchapter:
**(1)** **Clean hydrogen; hydrogen** section 16166(a) of this title
The terms “clean hydrogen” and “hydrogen” mean hydrogen produced in compliance with the greenhouse gas emissions standard established under , including production from any fuel source.
**(2)** **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.
**(3)** **Heavy-duty vehicle** The term “heavy-duty vehicle” means a motor vehicle that—
**(A)** is rated at more than 8,500 pounds gross vehicle weight;
**(B)** has a curb weight of more than 6,000 pounds; or
**(C)** has a basic vehicle frontal area in excess of 45 square feet.
**(4)** **Infrastructure** The term “infrastructure” means the equipment, systems, or facilities used to produce, distribute, deliver, or store hydrogen (except for onboard storage).
**(5)** **Light-duty vehicle** The term “light-duty vehicle” means a motor vehicle that is rated at 8,500 or less pounds gross vehicle weight.
**(6)** **Portable; storage** The terms “portable” and “storage”, when used in reference to a fuel cell, include—
**(A)** continuous electric power; and
**(B)** backup electric power.
**(7)** **Task Force** section 16155 of this title
The term “Task Force” means the Hydrogen and Fuel Cell Technical Task Force established under .
**(8)** **Technical Advisory Committee** section 16156 of this title
The term “Technical Advisory Committee” means the independent Technical Advisory Committee established under .
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**Source Credit**: (Pub. L. 109–58, title VIII, § 803, Aug. 8, 2005, 119 Stat. 844; Pub. L. 117–58, div. D, title III, § 40312, Nov. 15, 2021, 135 Stat. 1006.)
## Editorial Notes
### Amendments
2021—Pars. (1) to (4). , (3), added par. (1) and redesignated former pars. (1) to (3) as (2) to (4), respectively. Former par. (4) redesignated (5).
Par. (5). , redesignated par. (4) as (5). Former par. (5) redesignated (6).
, substituted “Portable; storage” for “Stationary; portable” in heading and “The terms ‘portable’ and ‘storage’, when” for “The terms ‘stationary’ and ‘portable’, when” in introductory provisions.
Pars. (6) to (8). , redesignated pars. (5) to (7) as (6) to (8), respectively.
## Statutory Notes and Related Subsidiaries
### Wage Rate Requirements
For provisions relating to rates of wages to be paid to laborers and mechanics on projects for construction, alteration, or repair work funded under div. D or an amendment by div. D of , including authority of Secretary of Labor, see .