part_subject: "CONTROL OF EMISSIONS FROM NEW HEAVY-DUTY MOTOR VEHICLES"
subpart_code: "D"
subpart_subject: "Testing Production Vehicles and Engines"
section_number: "1037.310"
section_subject: "Audit procedures for trailers."
cfr_reference: "40 CFR 1037.310"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 1000 to 1059"
revised_date: "Revised as of July 1, 2017"
publication_date: "As of July 1, 2017"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
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(a)We may audit trailer manufacturers to ensure that trailers are being produced to conform with the certificate of conformity. If this involves aerodynamic measurements, we will specify how to adapt the protocol described in § 1037.305 to appropriately evaluate trailer performance.
(b)We may require device manufacturers that obtain preliminary approval under § 1037.211 to perform aerodynamic testing of production samples of approved devices to ensure that the devices conform to the approved configuration.