40 CFR 89.1 - Applicability.
(a) This part applies for all compression-ignition nonroad engines (see definition of “nonroad engine” in § 89.2) except those specified in paragraph (b) of this section. This means that the engines for which this part applies include but are not limited to the following:
(2)Mining engines. This part does not apply for engines used in underground mining equipment and regulated by the Mining Safety and Health Administration (MSHA) in 30 CFR parts 7, 31, 32, 36, 56, 57, 70, and 75..
(3)Locomotive engines. This part does not apply for engines that:
(4)Marine engines. This part does not apply for engines that:
(6)Tier 4 engines. This part does not apply to engines that are subject to emission standards under 40 CFR part 1039. See 40 CFR 1039.1 to determine when that part 1039 applies. Note that certain requirements and prohibitions apply to engines built on or after January 1, 2006 if they are installed in stationary applications or in equipment that will be used solely for competition, as described in 40 CFR 1039.1 and 40 CFR 1068.1; those provisions apply instead of the provisions of this part 89.
(c) In certain cases, the regulations in this part 89 apply to engines at or above 250 kW that would otherwise be covered by 40 CFR part 1048. See 40 CFR 1048.620 for provisions related to this allowance.
Title 40 published on 10-May-2017 04:28
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 89 after this date.