New class I engine family

{
  "id": "MLC-T-ENV-018519",
  "term": "New class I engine family",
  "field": "Environment",
  "term_source": "New Class I Engine Family",
  "definition": "Any group of engines that employ a design that is different from engine families that the engine manufacturer has previously certified, and does not include any engine family certified on the basis of carryover data or any engine family that differs from another engine family solely as a result of a running change.",
  "subject": "Built environments",
  "references": [
    "40 CFR 90.3 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/new-class-i-engine-family/"
}