90.302 Definitions.§ 90.302 Definitions.
The definitions in § 90.3 apply to this subpart. The following definitions also apply to this subpart.
Intermediate speed means the engine speed which is 85 percent of the rated speed.
Natural gas means a fuel whose primary constituent is methane.
Rated speed means the speed at which the manufacturer specifies the maximum rated power of an engine.[64 FR 15243, Mar. 30, 1999]