Vehicle Subconfiguration

{
  "id": "MLC-T-ENV-029618",
  "term": "Vehicle Subconfiguration",
  "field": "Environment",
  "definition": "1. Unique combination within a vehicle configuration of equivalent test weight, road-load horsepower, and any other operational characteristics or parameters which the Administrator determines may significantly affect fuel economy within a vehicle configuration.\n\n2. Vehicle that would satisfy the criteria for light trucks as defined by the Secretary of Transportation at 49 CFR 523.5 but for its gross vehicle weight rating or its curb weight, is rated at more than 8,500 lbs GVWR or has a vehicle curb weight of more than 6,000 pounds or has a basic vehicle frontal area in excess of 45 square feet, and is designed primarily to transport passengers, but does not include a vehicle that - (1) Is an “incomplete truck” as defined in 40 CFR 86.1803-01; or (2) Has a seating capacity of more than 12 persons; or (3) Is designed for more than 9 persons in seating rearward of the driver's seat; or (4) Is equipped with an open cargo area (for example, a pick-up truck box or bed) of 72.0 inches in interior length or more. A covered box not readily accessible from the passenger compartment will be considered an open cargo area for purposes of this definition.",
  "references": [
    "40 CFR 600.002 (CFR 2013)",
    "40 CFR 600.002 (CFR 2024)"
  ],
  "url": "https://mlchart.com/terminology/environment/vehicle-subconfiguration/"
}