# Spark ignition engines--Alternative fuels

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  "title": "Spark ignition engines--Alternative fuels",
  "url": "/topics/S85067335",
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  "aeo_cohort": "topic-directory",
  "provider": "lcsh",
  "revision": "0e432bf36eda5846",
  "catalogue_revision": "f050b5d4780b1289",
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  "address_version": "morton4x16-v1",
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  "answer_status": "Directory metadata; local answer requires separate source review",
  "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap"
}



Directory metadata is not a factual answer or evidence of a global knowledge gap.

Source: https://id.loc.gov/authorities/subjects/sh85067335

No owner-reviewed local answer yet.