id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id NHTSA-2020-0079-0001,NHTSA,NHTSA-2020-0079,"Improvements for Heavy-Duty Engine and Vehicle Fuel Efficiency Test Procedures, and other Technical Amendments",Proposed Rule,Request for Comment,2022-09-13T04:00:00Z,2022,9,2022-09-13T04:00:00Z,2022-11-15T04:59:59Z,2024-11-12T23:45:39Z,2022-17134,1,0,09000064852f5fcc