40 CFR 90.902 - Definitions.
The definitions in subpart A of this part apply to this subpart. The following definitions also apply to this subpart:
Exemption means exemption from the prohibitions of § 90.1003.
Export exemption means an exemption granted under § 90.1004(b) for the purpose of exporting new nonroad engines.
National security exemption means an exemption granted under § 90.1004(b) for the purpose of national security.
Manufacturer-owned nonroad engine means an uncertified nonroad engine owned and controlled by a nonroad engine manufacturer and used in a manner not involving lease or sale by itself or in a vehicle employed from year to year in the ordinary course of business for product development, production method assessment, and market promotion purposes.
Testing exemption means an exemption granted under § 90.1004(b) for the purpose of research, investigations, studies, demonstrations or training, but not including national security.