{"id":"S2008004944","label":"Motor fuels--Additives--Cost effectiveness","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008004944","normalized_label":"motor fuels--additives--cost effectiveness","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008004944","provider":"lcsh","revision":"1e904c1efd56d872","taxonomy_revision":"f050b5d4780b1289","title":"Motor fuels--Additives--Cost effectiveness","url":"/topics/S2008004944","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5207362121121277476","address_version":"morton4x16-v1","coordinates":[0,478,48869,16384],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}