{
  "$type": "site.standard.document",
  "description": "Methods and systems are provided for controlling a vehicle engine to reduce engine knock and increase fuel efficiency by reducing hydrocarbon breakthrough. In one example, a method may include adjusting a compression ratio of a variable compression engine in response to hydrocarbon breakthrough…",
  "path": "/patents/1344594",
  "publishedAt": "2023-06-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D15/00",
    "Ford Global Technologies, LLC"
  ],
  "textContent": "Methods and systems are provided for controlling a vehicle engine to reduce engine knock and increase fuel efficiency by reducing hydrocarbon breakthrough. In one example, a method may include adjusting a compression ratio of a variable compression engine in response to hydrocarbon breakthrough above a threshold from a fuel vapor canister of an evaporative emissions system.",
  "title": "METHODS AND SYSTEMS FOR REDUCING HYDROCARBON BREAKTHROUGH"
}