Code of Federal Regulations (Last Updated: February 15, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 86 - Control of Emissions from New and in-Use Highway Vehicles and Engines |
Subpart D - XXX |
§ 86.304-79 - Section numbering; construction.
Latest version.
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(a) The model year of initial applicability is indicated by the section number. The two digits following the hyphen designate the first model year for which a section is effective. A section remains effective until superseded.
Example: Section 86.311-79 applies to the 1979 and subsequent model years until superseded. If a §86.311-81 is promulgated it would take effect beginning with the 1981 model year; §86.311-79 would apply to model years 1979 and 1980.
(b) A section reference without a model year suffix refers to the section applicable for the appropriate model year.
(c) Unless indicated, all provisions in this subpart apply to both gasoline-fueled and Diesel heavy-duty engines.