{"abstract":"In 2001, EPA finalized a new, major program for highway heavy- duty engines. That program, the Clean Diesel Trucks and Buses program, will result in the introduction of advanced emissions control systems such as catalyzed diesel particulate filters (DPF) and catalysts capable of reducing harmful nitrogen oxide (NO<INF>X</INF>) emissions. This final rule will require that these advanced emissions control systems be monitored for malfunctions via an onboard diagnostic system (OBD), similar to those systems that have been required on passenger cars since the mid-1990s. This final rule will require manufacturers to install OBD systems that monitor the functioning of emission control components and alert the vehicle operator to any detected need for emission related repair. This final rule will also require that manufacturers make available to the service and repair industry information necessary to perform repair and maintenance service on OBD systems and other emission related engine components. Lastly, this final rule revises certain existing OBD requirements for diesel engines used in heavy-duty vehicles under 14,000 pounds.","action":"Final rule.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2009/02/24/E9-2405.html","cfr_references":[{"chapter":null,"citation_url":null,"part":86,"title":40},{"chapter":null,"citation_url":null,"part":89,"title":40},{"chapter":null,"citation_url":null,"part":90,"title":40},{"chapter":null,"citation_url":null,"part":1027,"title":40},{"chapter":null,"citation_url":null,"part":1033,"title":40},{"chapter":null,"citation_url":null,"part":1042,"title":40},{"chapter":null,"citation_url":null,"part":1048,"title":40},{"chapter":null,"citation_url":null,"part":1054,"title":40},{"chapter":null,"citation_url":null,"part":1060,"title":40},{"chapter":null,"citation_url":null,"part":1065,"title":40},{"chapter":null,"citation_url":null,"part":1068,"title":40}],"citation":"74 FR 8310","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This rule is effective on April 27, 2009. The incorporation by reference of certain publications listed in this regulation is approved by the Director of the Federal Register as of April 27, 2009.","disposition_notes":null,"docket_ids":["EPA-HQ-OAR-2005-0047","FRL-8750-3"],"dockets":[],"document_number":"E9-2405","effective_on":"2009-04-27","end_page":8428,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2009/02/24/E9-2405.xml","html_url":"https://www.federalregister.gov/documents/2009/02/24/E9-2405/control-of-air-pollution-from-new-motor-vehicles-and-new-motor-vehicle-engines-regulations-requiring","images":{"ER24FE09.008":{"large":"https://img.federalregister.gov/ER24FE09.008/ER24FE09.008_large.png","medium":"https://img.federalregister.gov/ER24FE09.008/ER24FE09.008_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.008/ER24FE09.008_original_size.png"},"ER24FE09.007":{"large":"https://img.federalregister.gov/ER24FE09.007/ER24FE09.007_large.png","medium":"https://img.federalregister.gov/ER24FE09.007/ER24FE09.007_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.007/ER24FE09.007_original_size.png"},"ER24FE09.002":{"large":"https://img.federalregister.gov/ER24FE09.002/ER24FE09.002_large.png","medium":"https://img.federalregister.gov/ER24FE09.002/ER24FE09.002_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.002/ER24FE09.002_original_size.png"},"ER24FE09.001":{"large":"https://img.federalregister.gov/ER24FE09.001/ER24FE09.001_large.png","medium":"https://img.federalregister.gov/ER24FE09.001/ER24FE09.001_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.001/ER24FE09.001_original_size.png"},"ER24FE09.000":{"large":"https://img.federalregister.gov/ER24FE09.000/ER24FE09.000_large.png","medium":"https://img.federalregister.gov/ER24FE09.000/ER24FE09.000_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.000/ER24FE09.000_original_size.png"},"ER24FE09.006":{"large":"https://img.federalregister.gov/ER24FE09.006/ER24FE09.006_large.png","medium":"https://img.federalregister.gov/ER24FE09.006/ER24FE09.006_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.006/ER24FE09.006_original_size.png"},"ER24FE09.005":{"large":"https://img.federalregister.gov/ER24FE09.005/ER24FE09.005_large.png","medium":"https://img.federalregister.gov/ER24FE09.005/ER24FE09.005_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.005/ER24FE09.005_original_size.png"},"ER24FE09.004":{"large":"https://img.federalregister.gov/ER24FE09.004/ER24FE09.004_large.png","medium":"https://img.federalregister.gov/ER24FE09.004/ER24FE09.004_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.004/ER24FE09.004_original_size.png"},"ER24FE09.003":{"large":"https://img.federalregister.gov/ER24FE09.003/ER24FE09.003_large.png","medium":"https://img.federalregister.gov/ER24FE09.003/ER24FE09.003_medium.png","original_size":"https://img.federalregister.gov/ER24FE09.003/ER24FE09.003_original_size.png"}},"images_metadata":{"ER24FE09.008":{"large":{"identifier":"ER24FE09.008","content_type":"image/png","size":36996,"width":823,"sha":"a9df0017599bdb98f6ebe2fc0fe08ed1","url":"https://img.federalregister.gov/ER24FE09.008/ER24FE09.008_large.png","height":574},"medium":{"identifier":"ER24FE09.008","content_type":"image/png","size":15620,"width":438,"sha":"2107ebce36794f5288ab9932e810b15c","url":"https://img.federalregister.gov/ER24FE09.008/ER24FE09.008_medium.png","height":306},"original_size":{"identifier":"ER24FE09.008","content_type":"image/png","size":72670,"width":3305,"sha":"81ed3359be5eba8b33ee9b7813cbf41e","url":"https://img.federalregister.gov/ER24FE09.008/ER24FE09.008_original_size.png","height":2306}},"ER24FE09.007":{"large":{"identifier":"ER24FE09.007","content_type":"image/png","size":5662,"width":707,"sha":"0ddc1ff2c800b14357c71f988acfd1c6","url":"https://img.federalregister.gov/ER24FE09.007/ER24FE09.007_large.png","height":70},"medium":{"identifier":"ER24FE09.007","content_type":"image/png","size":2059,"width":333,"sha":"f609dccd1c4ffadd4199b9efe049c02e","url":"https://img.federalregister.gov/ER24FE09.007/ER24FE09.007_medium.png","height":33},"original_size":{"identifier":"ER24FE09.007","content_type":"image/png","size":1569,"width":303,"sha":"d8cf1ad7e6bf0a71fee0a9f9c63ead2b","url":"https://img.federalregister.gov/ER24FE09.007/ER24FE09.007_original_size.png","height":30}},"ER24FE09.002":{"large":{"identifier":"ER24FE09.002","content_type":"image/png","size":40118,"width":823,"sha":"00f8b7578d9398fd44f4b1bec30d37bf","url":"https://img.federalregister.gov/ER24FE09.002/ER24FE09.002_large.png","height":598},"medium":{"identifier":"ER24FE09.002","content_type":"image/png","size":15899,"width":436,"sha":"4c3c4a1a2d0aa590c426ba987b198d5e","url":"https://img.federalregister.gov/ER24FE09.002/ER24FE09.002_medium.png","height":317},"original_size":{"identifier":"ER24FE09.002","content_type":"image/png","size":49659,"width":2196,"sha":"aa5125bf4e9fe646a6ec5e6aa8ab431e","url":"https://img.federalregister.gov/ER24FE09.002/ER24FE09.00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02:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2009-02-24/pdf/E9-2405.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2009-02-24","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2009/02/24/E9-2405.txt","regulation_id_number_info":{"2060-AL92":{"issue":"200810","html_url":"https://www.federalregister.gov/regulations/2060-AL92/control-of-emissions-of-air-pollution-from-new-motor-vehicles-on-board-diagnostic-requirements-for-h","title":"Control of Emissions of Air Pollution From New Motor Vehicles: On-Board Diagnostic Requirements for Heavy-Duty Engines and Vehicles Above 14,000 lbs and In-Use, Not-To-Exceed Emission Standard Testing","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=200810&RIN=2060-AL92&operation=OPERATION_EXPORT_XML","priority_category":"Substantive, Nonsignificant"}},"regulation_id_numbers":["2060-AL92"],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-11-15T14:54:54Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":8310,"subtype":null,"title":"Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines; Regulations Requiring Onboard Diagnostic Systems on 2010 and Later Heavy-Duty Engines Used in Highway Applications Over 14,000 Pounds; Revisions to Onboard Diagnostic Requirements for Diesel Highway Heavy-Duty Vehicles Under 14,000 Pounds","toc_doc":"Regulations Requiring Onboard Diagnostic Systems on 2010 and Later Heavy-duty Engines used in Highway Applications Over 14,000 Pounds, etc.","toc_subject":"Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines:","topics":["Administrative practice and procedure","Air pollution control","Confidential business information","Environmental protection","Imports","Incorporation by reference","Labeling","Motor vehicle pollution","Penalties","Railroads","Reporting and recordkeeping requirements","Research","Vessels","Warranties"],"type":"Rule","volume":74}