Code of Federal Regulations Title 40. Protection of Environment § 40.94.901 Purpose and applicability

The provisions of this subpart identify excluded engines (i.e., engines not covered by the Act) and allow for the exemption of engines from certain provisions of this part. The applicability of the exclusions is described in § 94.903, and the applicability of the exemption allowances is described in §§ 94.904 through 94.909.