Vehicle Useful Life

{
  "id": "MLC-T-ENV-029626",
  "term": "Vehicle Useful Life",
  "field": "Environment",
  "definition": "1. Defined for each class (see §86.419) of motorcycle: (1) Class I-A - 5.0 years or 6,000 km (3,728 miles), whichever occurs first. (2) Class I-B - 5.0 years or 12,000 km (7,456 miles), whichever occurs first. (3) Class II - 5.0 years or 18,000 km (11,185 miles), whichever occurs first. (4) Class III - 5.0 years or 30,000 km (18,641 miles), whichever occurs first.\n\n2. For light-duty vehicles, and for light light-duty trucks not subject to the Tier 0 standards of §86.094-9(a), intermediate useful life and/or full useful life. Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first. Full useful life is a period of use of 10 years or 100,000 miles, whichever occurs first, except as otherwise noted in §86.094-9. The useful life of evaporative and/or refueling emission control systems on the portion of these vehicles subject to the evaporative emission test requirements of §86.130-96, and/or the refueling emission test requirements of §86.151-2001, is defined as a period of use of 10 years or 100,000 miles, whichever occurs first. (2) For light light-duty trucks subject to the Tier 0 standards of §86.094 - 9(a), and for heavy light-duty truck engine families, intermediate and/or full useful life. Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first. Full useful life is a period of use of 11 years or 120,000 miles, whichever occurs first. The useful life of evaporative emission and/or refueling control systems on the portion of these vehicles subject to the evaporative emission test requirements of §86.130-96, and/or the refueling emission test requirements of §86.151-2001, is also defined as a period of 11 years or 120,000 miles, whichever occurs first. (3) For an Otto-cycle heavy-duty engine family: (i) For hydrocarbon and carbon monoxide standards, a period of use of 8 years or 110,000 miles, whichever first occurs.\n\n3. For light-duty vehicles, and for model year 1994 and later light lightduty trucks not subject to the Tier 0 standards of paragraph (a) of §86.094-9, intermediate useful life and/or full useful life. Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first. Full useful life is a period of use of 10 years or 100,000 miles, whichever occurs first, except as otherwise noted in §86.094-9. (b) For light light-duty trucks subject to the Tier 0 standards of paragraph (a) of §86.094-9, and for heavy light-duty truck engine families, intermediate and/or full useful life. Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first. Full useful life is a period of use of 11 years or 120,000 miles, whichever occurs first. (c) For an Otto-cycle heavy-duty engine family, a period of use of 8 years or 110,000 miles, whichever first occurs. (d) For a diesel heavy-duty engine family: (1) For light heavy-duty diesel engines, period of use of 8 years or 110,000 miles, whichever first occurs. (2) For medium heavy-duty diesel engines, a period of use of 8 years or 185,000 miles, whichever first occurs. (3) For heavy-duty diesel engines, a period of use of 8 years or 290,000 miles, whichever first occurs, except as provided in paragraph (d)(4) of this definition. (4) for heavy heavy-duty diesel engines used in urban buses, for the particulate standard, a period of use of 10 years or 290,000 miles, whichever first occurs. (e) As an option for both light-duty trucks under certain conditions and heavy-duty engine families, an alternative useful life period assigned by the Administrator under the provisions of paragraph (f) of §86.094-21. (f) The useful-life period for purposes of the emissions defect warranty and emissions performance warranty shall be a period of 5 years/50,000 miles,\n\n4. For light-duty vehicles, and for light light-duty trucks not subject to the Tier 0 standards of §86.094-9(a), intermediate useful life and/or full useful life. Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first. Full useful life is a period of use of 10 years or 100,000 miles, whichever occurs first, except as otherwise noted in §86.094-9. The useful life of evaporative emission control systems on the portion of these vehicles subject to the evaporative emission test requirements of §86.130-96 is defined as a period of use of 10 years or 100,000 miles, whichever occurs first. (2) For light light-duty trucks subject to the Tier 0 standards of §86.094 - 9(a), and for heavy light-duty truck engine families, intermediate and/or full useful life. Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first. Full useful life is a period of use of 11 years or 120,000 miles, whichever occurs first. The useful life of evaporative emission control systems on the portion of these vehicles subject to the evaporative emission test requirements of §86.130-96 is also defined as a period of 11 years or 120,000 miles, whichever occurs first. (3) For an Otto-cycle heavy-duty engine family, a period of use of 8 years or 110,000 miles, whichever occurs first, except for the portion of evaporative emission control systems subject to the evaporative emission test requirements of §86.1230-96, for which the applicable period of use is 10 years or 110,000 miles, whichever occurs first. (4) For a diesel heavy-duty engine family: (i) For light heavy-duty diesel engines, period of use of 8 years or 110,000 miles, whichever occurs first. (ii) For medium heavy-duty diesel engines, a period of use of 8 years or 185,000 miles, whichever occurs first. (iii) For heavy heavy-duty diesel engines,\n\n5. Period of use or time during which an emission standard applies to light-duty vehicles and light-duty trucks, as described in §86.1805-01.\n\n6. For light-duty vehicles and lightduty trucks a period of use of 5 years or 50,000 miles, whichever first occurs.\n\n7. For gasoline-fueled heavy-duty engines a period of use of 5 years or 50,000 miles of vehicle operation or 1,500 hours of engine operation (or an equivalent period of 1,500 hours of dynamometer operation), whichever first occurs. [40 CFR 86.082-2 (CFR 2018)] (3) For diesel heavy-duty engines a period of use of 5 years or 100,000 miles of vehicle operation or 3,000 hours of engine operation (or an equivalent period of 1,000 hours of dynamometer operation), whichever first occurs.\n\n8. For light-duty vehicles, and for light light-duty trucks not subject to the Tier 0 standards of §86.094-9(a), intermediate useful life and/or full useful life. Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first. Full useful life is a period of use of 10 years or 100,000 miles, whichever occurs first, except as otherwise noted in §86.094-9. The useful life of evaporative and/or refueling emission control systems on the portion of these vehicles subject to the evaporative emission test requirements of §86.130-96, and/or the refueling emission test requirements of §86.151-98, is defined as a period of use of 10 years or 100,000 miles, whichever occurs first. (2) For light light-duty trucks subject to the Tier 0 standards of §86.094 - 9(a), and for heavy light-duty truck engine families, intermediate and/or full useful life. Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first. Full useful life is a period of use of 11 years or 120,000 miles, whichever occurs first. The useful life of evaporative emission control systems on the portion of these vehicles subject to the evaporative emission test requirements of §86.130-96 is also defined as a period of 11 years or 120,000 miles, whichever occurs first. (3) For an Otto-cycle heavy-duty engine family: (i) For hydrocarbon and carbon monoxide standards, a period of use of 8 years or 110,000 miles, whichever first occurs. (ii) For the oxides of nitrogen standard, a period of use of 10 years or 110,000 miles, whichever first occurs. (iii) For the portion of evaporative emission control systems subject to the evaporative emission test requirements of §86.1230-96, a period of use of 10 years or 110,000 miles, whichever occurs first. (4) For a diesel heavy-duty engine family: (i)\n\n9. Defined for each class (see §86.419) of motorcycle: Class I - 5.0 years or 12,000 km (7,456 miles), whichever first occurs. Class II - 5.0 years or 18,000 km (11,185 miles), whichever first occurs. Class III - 5.0 years or 30,000 km (18,641 miles), whichever first occurs.\n\n10. Period for purposes of the emissions defect warranty and emissions performance warranty shall be a period of 5 years/50,000 miles whichever first occurs, for light-duty trucks, Otto cycle heavy-duty engines and light heavy-duty diesel engines. For all other heavy-duty diesel engines the aforementioned period is 5 years/100,000 miles, whichever first occurs. However, in no case may this period be less than the manufacturer's basic mechanical warranty period for the engine family.",
  "references": [
    "40 CFR 86.402-98 (CFR 2018)",
    "40 CFR 86.001-2 (CFR 2018)",
    "Definition truncated; For full definition see 40 CFR 86.094-2 (CFR 2018)",
    "Definition truncated. For full definition, see 40 CFR 86.096-2 (CFR 2018)",
    "40 CFR 86.1803-01 (CFR 2018)",
    "40 CFR 86.082-2 (CFR 2018)",
    "Definition truncated. For full definition, see 40 CFR 86.098-2 (CFR 2018)",
    "40 CFR 86.402-78 (CFR 2018)",
    "40 CFR 86.090-2 (CFR 2018)"
  ],
  "url": "https://mlchart.com/terminology/environment/vehicle-useful-life/"
}