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<REGINFO_RIN_DATA xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" RUN_DATE="2026-04-21-04:00" xsi:noNamespaceSchemaLocation="https://www.reginfo.gov/public/xml/REGINFO_XML_Ver10262011.xsd">
    <RIN_INFO>
        <RIN>2060-AU50</RIN>
        <PUBLICATION>
            <PUBLICATION_ID>202104</PUBLICATION_ID>
            <PUBLICATION_TITLE>Unified Agenda of Federal Regulatory and Deregulatory Actions</PUBLICATION_TITLE>
        </PUBLICATION>
        <AGENCY>
            <CODE>2060</CODE>
            <NAME>Office of Air and Radiation</NAME>
            <ACRONYM>OAR</ACRONYM>
        </AGENCY>
        <PARENT_AGENCY>
            <CODE>2000</CODE>
            <NAME>Environmental Protection Agency</NAME>
            <ACRONYM>EPA</ACRONYM>
        </PARENT_AGENCY>
        <RULE_TITLE>On-Highway Heavy-Duty Trailers: Review of Standards and Requirements</RULE_TITLE>
        <ABSTRACT><![CDATA[<!DOCTYPE html>
<html>
<head>
</head>
<body>
<p>The rulemaking will revisit the trailer provisions in 40 CFR part 1037 consistent with the statutory requirements and authority of the Clean Air Act. These provisions were originally adopted in the Heavy-Duty Phase 2 rulemaking (81 FR 73478, October 25, 2016).</p>
</body>
</html>]]></ABSTRACT>
        <PRIORITY_CATEGORY>Other Significant</PRIORITY_CATEGORY>
        <RIN_STATUS>Previously Published in The Unified Agenda</RIN_STATUS>
        <RULE_STAGE>Long-Term Actions</RULE_STAGE>
        <MAJOR>Undetermined</MAJOR>
        <UNFUNDED_MANDATE_LIST>
            <UNFUNDED_MANDATE>Undetermined</UNFUNDED_MANDATE>
        </UNFUNDED_MANDATE_LIST>
        <CFR_LIST>
            <CFR>40 CFR 80</CFR>
        </CFR_LIST>
        <LEGAL_AUTHORITY_LIST>
            <LEGAL_AUTHORITY>42 U.S.C. 7401 et seq. Clean Air Act</LEGAL_AUTHORITY>
        </LEGAL_AUTHORITY_LIST>
        <LEGAL_DLINE_LIST/>
        <RPLAN_ENTRY>No</RPLAN_ENTRY>
        <TIMETABLE_LIST>
            <TIMETABLE>
                <TTBL_ACTION>NPRM</TTBL_ACTION>
                <TTBL_DATE>To Be Determined</TTBL_DATE>
            </TIMETABLE>
            <TIMETABLE>
                <TTBL_ACTION>Final Rule</TTBL_ACTION>
                <TTBL_DATE>To Be Determined</TTBL_DATE>
            </TIMETABLE>
        </TIMETABLE_LIST>
        <RFA_REQUIRED>Undetermined</RFA_REQUIRED>
        <GOVT_LEVEL_LIST>
            <GOVT_LEVEL>None</GOVT_LEVEL>
        </GOVT_LEVEL_LIST>
        <FEDERALISM>No</FEDERALISM>
        <ENERGY_AFFECTED>Undetermined</ENERGY_AFFECTED>
        <PRINT_PAPER>No</PRINT_PAPER>
        <INTERNATIONAL_INTEREST>No</INTERNATIONAL_INTEREST>
        <AGENCY_CONTACT_LIST>
            <CONTACT>
                <FIRST_NAME>Brian</FIRST_NAME>
                <LAST_NAME>Nelson</LAST_NAME>
                <AGENCY>
                    <CODE>2060</CODE>
                    <NAME>Office of Air and Radiation</NAME>
                    <ACRONYM>OAR</ACRONYM>
                </AGENCY>
                <PHONE>734 214-4278</PHONE>
                <EMAIL>nelson.brian@epa.gov</EMAIL>
                <MAILING_ADDRESS>
                    <STREET_ADDRESS>2000 Traverwood Drive,</STREET_ADDRESS>
                    <CITY>Ann Arbor</CITY>
                    <STATE>MI</STATE>
                    <ZIP>48105</ZIP>
                </MAILING_ADDRESS>
            </CONTACT>
            <CONTACT>
                <FIRST_NAME>Jessica</FIRST_NAME>
                <LAST_NAME>Brakora</LAST_NAME>
                <AGENCY>
                    <CODE>2060</CODE>
                    <NAME>Office of Air and Radiation</NAME>
                    <ACRONYM>OAR</ACRONYM>
                </AGENCY>
                <PHONE>734 214-4936</PHONE>
                <EMAIL>brakora.jessica@epa.gov</EMAIL>
                <MAILING_ADDRESS>
                    <STREET_ADDRESS>2000 Traverwood Drive,</STREET_ADDRESS>
                    <CITY>Ann Arbor</CITY>
                    <STATE>MI</STATE>
                    <ZIP>48105</ZIP>
                </MAILING_ADDRESS>
            </CONTACT>
        </AGENCY_CONTACT_LIST>
    </RIN_INFO>
</REGINFO_RIN_DATA>
