{"database": "openregs", "table": "federal_register", "rows": [["2012-29792", "California State Motor Vehicle Pollution Control Standards; Notice of Waiver of Clean Air Act Preemption; California's 2010 Model Year Heavy-Duty Vehicle and Engine On-Board Diagnostic Standards", "Notice", "EPA has granted the California Air Resources Board (CARB) its request to confirm that its amendments to California's heavy-duty vehicle and engine on-board diagnostic (HD OBD) requirements that relax the standards for 2010-2012 model years (MYs) are within the scope of a previous waiver of preemption of the Clean Air Act (Act). The amendments to the HD OBD requirements for MY 2013 and later are granted a new waiver of preemption.", "2012-12-10", 2012, 12, "https://www.federalregister.gov/documents/2012/12/10/2012-29792/california-state-motor-vehicle-pollution-control-standards-notice-of-waiver-of-clean-air-act", "https://www.govinfo.gov/content/pkg/FR-2012-12-10/pdf/2012-29792.pdf", "Environmental Protection Agency", "145", "EPA has granted the California Air Resources Board (CARB) its request to confirm that its amendments to California's heavy-duty vehicle and engine on-board diagnostic (HD OBD) requirements that relax the standards for 2010-2012 model years (MYs) are...", null]], "columns": ["document_number", "title", "type", "abstract", "publication_date", "pub_year", "pub_month", "html_url", "pdf_url", "agency_names", "agency_ids", "excerpts", "regulation_id_numbers"], "primary_keys": ["document_number"], "primary_key_values": ["2012-29792"], "units": {}, "query_ms": 171.6803340241313, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}