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Title 10

Displaying title 10, up to date as of 6/10/2026. Title 10 was last amended 6/03/2026.
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§ 490.501 Definitions.

In addition to the definitions found in § 490.2, the following definitions apply to this subpart:

Alternative Fuel Infrastructure means property that is for:

(1) The storage and dispensing of an alternative fuel into the fuel tank of a motor vehicle propelled by such fuel; or

(2) The recharging of motor vehicles or neighborhood electric vehicles propelled by electricity.

Alternative Fuel Non-road Equipment means mobile, non-road equipment that operates on alternative fuel (including but not limited to forklifts, tractors, bulldozers, backhoes, front-end loaders, and rollers/compactors).

Emerging Technology means a pre-production or pre-commercially available version of a fuel cell electric vehicle, hybrid electric vehicle, medium- or heavy-duty electric vehicle, medium- or heavy-duty fuel cell electric vehicle, neighborhood electric vehicle, or plug-in electric drive vehicle, as such vehicles are defined in this section.

Fuel Cell Electric Vehicle means a motor vehicle or non-road vehicle that uses a fuel cell, as that term is defined in section 803 of the Spark M. Matsunaga Hydrogen Act of 2005 (42 U.S.C. 16152(1)).

Hybrid Electric Vehicle means a new qualified hybrid motor vehicle as defined in section 30B(d)(3) of the Internal Revenue Code of 1986 (26 U.S.C. 30B(d)(3)).

Medium- or Heavy-Duty Electric Vehicle means an electric, hybrid electric, or plug-in hybrid electric vehicle with a gross vehicle weight rating of more than 8,500 pounds.

Medium- or Heavy-Duty Fuel Cell Electric Vehicle means a fuel cell electric vehicle with a gross vehicle weight rating of more than 8,500 pounds.

Neighborhood Electric Vehicle means a 4-wheeled on-road or non-road vehicle that—

(1) Has a top attainable speed in 1 mile of more than 20 mph and not more than 25 mph on a paved level surface; and

(2) Is propelled by an electric motor and an on-board, rechargeable energy storage system that is rechargeable using an off-board source of electricity.

Plug-in Electric Drive Vehicle means a vehicle that—

(1) Draws motive power from a battery with a capacity of at least 4 kilowatt-hours;

(2) Can be recharged from an external source of electricity for motive power;

(3) Is a light-, medium-, or heavy-duty motor vehicle or non-road vehicle, as those terms are defined in section 216 of the Clean Air Act (42 U.S.C. 7550); and

(4) In the case of a plug-in hybrid electric vehicle, also includes an on-board method of charging the energy storage system and/or providing motive power.

[79 FR 15904, Mar. 21, 2014]