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withdrawn,object_id NHTSA-2012-0126-0003,NHTSA,NHTSA-2012-0126,Greenhouse Gas Emissions Standards and Fuel Efficiency Standards: Medium- and Heavy-Duty Engines and Vehicles,Proposed Rule,Request for Comment,2012-08-24T04:00:00Z,2012,8,2012-08-24T04:00:00Z,,2024-11-11T20:42:12Z,2012-20838,1,0,09000064810eeff9