# Combined cycle power plants { "id": "S99003655", "title": "Combined cycle power plants", "url": "/topics/S99003655", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "c9d051bb692286a0", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "4615283896429708834", "address_version": "morton4x16-v1", "coordinates": [ 0, 23, 39604, 7168 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on power plants that burn natural gas or oil first to run a turbine and then use the waste heat to run a conventional steam-boiler. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh99003655 No owner-reviewed local answer yet.