Marine engine category 2

{
  "id": "MLC-T-ENV-016542",
  "term": "Marine engine category 2",
  "field": "Environment",
  "term_source": "Marine Engine Category 2",
  "definition": "1. Relating to a marine engine with a specific engine displacement greater than or equal to 5.0 liters per cylinder but less than 30 liters per cylinder.\n\n2. Relating to a marine engine with a specific engine displacement at or above 7.0 liters per cylinder but less than 30.0 liters per cylinder. See § 1042.670 to determine equivalent per-cylinder displacement for nonreciprocating marine engines (such as gas turbine engines).\n\n3. Relating to a marine engine with a specific engine displacement at or above 7.0 liters per cylinder but less than 30.0 liters per cylinder. See § 1042.670 to determine equivalent per-cylinder displacement for nonreciprocating marine engines (such as gas turbine engines). Note that the minimum specific engine displacement for Category 2 engines subject to Tier 1 and Tier 2 standards was 5.0 liters per cylinder.",
  "subject": "Built environments",
  "references": [
    "40 CFR 94.2 (CFR 2013)",
    "40 CFR 1042.901 (CFR 2013)",
    "40 CFR 1042.901 (2023)"
  ],
  "url": "https://mlchart.com/terminology/environment/marine-engine-category-2/"
}