{"abstract":"EPA is taking direct final action on several revisions to EPA's mobile source emission programs standards and test procedures. EPA believes that each of these is minor and non-controversial in nature. Most of the changes arise from the results of the collaborative test program and related technical work we conducted for the highway heavy-duty diesel in-use testing program. Most noteworthy here is the adoption of a particulate matter measurement allowance for use with portable emission measurement systems. Related to this are two provisions to align the in-use program timing requirements with completion of the program as required in current regulations and the incorporation of revisions to a few technical requirements in the testing regulations based on information learned in this and one other test program. Finally, the DFR modifies a few transitional flexibilities for locomotive, recreational marine, and Tier 4 nonroad engines and incorporates a handful of minor corrections.","action":"Direct 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/2010/11/08/2010-27892.html","cfr_references":[{"chapter":null,"citation_url":null,"part":86,"title":40},{"chapter":null,"citation_url":null,"part":1033,"title":40},{"chapter":null,"citation_url":null,"part":1039,"title":40},{"chapter":null,"citation_url":null,"part":1042,"title":40},{"chapter":null,"citation_url":null,"part":1045,"title":40},{"chapter":null,"citation_url":null,"part":1054,"title":40},{"chapter":null,"citation_url":null,"part":1065,"title":40}],"citation":"75 FR 68448","comment_url":null,"comments_close_on":"2010-12-08","correction_of":null,"corrections":[],"dates":"This is effective on January 7, 2011 without further notice, unless EPA receives adverse comment by December 8, 2010 on any amendment, paragraph, or section of this rule. If EPA receives adverse comment on this rule or any discrete amendment, paragraph, or section of this rule, we will publish a timely withdrawal of the Direct Final Rule, or the amendment, paragraph, or section of the direct final rule that received adverse comment, in the Federal Register informing the public that the rule, or that amendment, paragraph, or section of the rule, will not take effect.","disposition_notes":null,"docket_ids":["EPA-HQ-OAR-2010-0142","FRL-9220-6"],"dockets":[],"document_number":"2010-27892","effective_on":"2011-01-07","end_page":68467,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2010/11/08/2010-27892.xml","html_url":"https://www.federalregister.gov/documents/2010/11/08/2010-27892/revisions-to-in-use-testing-for-heavy-duty-diesel-engines-and-vehicles-emissions-measurement-and","images":{"ER08NO10.029":{"large":"https://img.federalregister.gov/ER08NO10.029/ER08NO10.029_large.png","medium":"https://img.federalregister.gov/ER08NO10.029/ER08NO10.029_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.029/ER08NO10.029_original_size.png"},"ER08NO10.028":{"large":"https://img.federalregister.gov/ER08NO10.028/ER08NO10.028_large.png","medium":"https://img.federalregister.gov/ER08NO10.028/ER08NO10.028_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.028/ER08NO10.028_original_size.png"},"ER08NO10.027":{"large":"https://img.federalregister.gov/ER08NO10.027/ER08NO10.027_large.png","medium":"https://img.federalregister.gov/ER08NO10.027/ER08NO10.027_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.027/ER08NO10.027_original_size.png"},"ER08NO10.038":{"large":"https://img.federalregister.gov/ER08NO10.038/ER08NO10.038_large.png","medium":"https://img.federalregister.gov/ER08NO10.038/ER08NO10.038_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.038/ER08NO10.038_original_size.png"},"ER08NO10.026":{"large":"https://img.federalregister.gov/ER08NO10.026/ER08NO10.026_large.png","medium":"https://img.federalregister.gov/ER08NO10.026/ER08NO10.026_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.026/ER08NO10.026_original_size.png"},"ER08NO10.037":{"large":"https://img.federalregister.gov/ER08NO10.037/ER08NO10.037_large.png","medium":"https://img.federalregister.gov/ER08NO10.037/ER08NO10.037_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.037/ER08NO10.037_original_size.png"},"ER08NO10.025":{"large":"https://img.federalregister.gov/ER08NO10.025/ER08NO10.025_large.png","medium":"https://img.federalregister.gov/ER08NO10.025/ER08NO10.025_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.025/ER08NO10.025_original_size.png"},"ER08NO10.036":{"large":"https://img.federalregister.gov/ER08NO10.036/ER08NO10.036_large.png","medium":"https://img.federalregister.gov/ER08NO10.036/ER08NO10.036_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.036/ER08NO10.036_original_size.png"},"ER08NO10.024":{"large":"https://img.federalregister.gov/ER08NO10.024/ER08NO10.024_large.png","medium":"https://img.federalregister.gov/ER08NO10.024/ER08NO10.024_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.024/ER08NO10.024_original_size.png"},"ER08NO10.035":{"large":"https://img.federalregister.gov/ER08NO10.035/ER08NO10.035_large.png","medium":"https://img.federalregister.gov/ER08NO10.035/ER08NO10.035_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.035/ER08NO10.035_original_size.png"},"ER08NO10.023":{"large":"https://img.federalregister.gov/ER08NO10.023/ER08NO10.023_large.png","medium":"https://img.federalregister.gov/ER08NO10.023/ER08NO10.023_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.023/ER08NO10.023_original_size.png"},"ER08NO10.034":{"large":"https://img.federalregister.gov/ER08NO10.034/ER08NO10.034_large.png","medium":"https://img.federalregister.gov/ER08NO10.034/ER08NO10.034_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.034/ER08NO10.034_original_size.png"},"ER08NO10.033":{"large":"https://img.federalregister.gov/ER08NO10.033/ER08NO10.033_large.png","medium":"https://img.federalregister.gov/ER08NO10.033/ER08NO10.033_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.033/ER08NO10.033_original_size.png"},"ER08NO10.021":{"large":"https://img.federalregister.gov/ER08NO10.021/ER08NO10.021_large.png","medium":"https://img.federalregister.gov/ER08NO10.021/ER08NO10.021_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.021/ER08NO10.021_original_size.png"},"ER08NO10.032":{"large":"https://img.federalregister.gov/ER08NO10.032/ER08NO10.032_large.png","medium":"https://img.federalregister.gov/ER08NO10.032/ER08NO10.032_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.032/ER08NO10.032_original_size.png"},"ER08NO10.031":{"large":"https://img.federalregister.gov/ER08NO10.031/ER08NO10.031_large.png","medium":"https://img.federalregister.gov/ER08NO10.031/ER08NO10.031_medium.png","original_size":"https://img.federalregister.gov/ER08NO10.031/ER08NO10.031_original_size.png"},"ER08NO10.030":{"large":"https://img.federalregister.gov/ER08NO10.030/ER08NO10.030_large.png","medium":"https://img.federalregister.gov/ER08NO10.030/ER08NO1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18:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2010-11-08/pdf/2010-27892.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2010-11-08","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2010/11/08/2010-27892.txt","regulation_id_number_info":{"2060-AO69":{"issue":"200710","html_url":"https://www.federalregister.gov/regulations/2060-AO69/in-use-testing-for-heavy-duty-diesel-engines-and-vehicles","title":"In-Use Testing for Heavy-Duty Diesel Engines and Vehicles","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=200710&RIN=2060-AO69&operation=OPERATION_EXPORT_XML","priority_category":"Substantive, Nonsignificant"}},"regulation_id_numbers":["2060-AO69"],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2010-12-05T17:33:42Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":68448,"subtype":null,"title":"Revisions to In-Use Testing for Heavy-Duty Diesel Engines and Vehicles; Emissions Measurement and Instrumentation; Not-to-Exceed Emission Standards; and Technical Amendments for Off-Highway Engines","toc_doc":"Emissions Measurement and Instrumentation; Not-to-Exceed Emission Standards; etc.","toc_subject":"Revisions to In-Use Testing for Heavy-Duty Diesel Engines and Vehicles:","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":75}