['Air Programs']
['Air Emissions']
07/08/2024
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This section provides an exemption from the greenhouse gas standards of this part for certain vocational vehicles (including certain vocational tractors) that are intended to be used extensively in off-road environments such as forests, oil fields, and construction sites. This section does not exempt engines used in vocational vehicles from the standards of 40 CFR part 86 or part 1036. Note that you may not include these exempted vehicles in any credit calculations under this part.
(a) Qualifying criteria. Vocational vehicles intended for off-road use are exempt without request, subject to the provisions of this section, if they are primarily designed to perform work off-road (such as in oil fields, mining, forests, or construction sites), and they meet at least one of the criteria of paragraph (a)(1) of this section and at least one of the criteria of paragraph (a)(2) of this section. See §1037.105(h) for alternate Phase 2 and Phase 3 standards that apply for vehicles meeting only one of these sets of criteria.
(1) The vehicle must have affixed components designed to work inherently in an off-road environment (such as hazardous material equipment or off-road drill equipment) or be designed to operate at low speeds such that it is unsuitable for normal highway operation.
(2) The vehicle must meet one of the following criteria:
(i) Have an axle that has a gross axle weight rating (GAWR) at or above 29,000 pounds.
(ii) Have a speed attainable in 2.0 miles of not more than 33 mi/hr.
(iii) Have a speed attainable in 2.0 miles of not more than 45 mi/hr, an unloaded vehicle weight that is not less than 95 percent of its gross vehicle weight rating, and no capacity to carry occupants other than the driver and operating crew.
(iv) Have a maximum speed at or below 54 mi/hr. You may consider the vehicle to be appropriately speed-limited if engine speed at 54 mi/hr is at or above 95 percent of the engine's maximum test speed in the highest available gear. You may alternatively limit vehicle speed by programming the engine or vehicle's electronic control module in a way that is tamper-proof.
(b) Tractors. The provisions of this section may apply for tractors only if each tractor qualifies as a vocational tractor under §1037.630.
(c) Recordkeeping and reporting.(1) You must keep records to document that your exempted vehicle configurations meet all applicable requirements of this section. Keep these records for at least eight years after you stop producing the exempted vehicle model. We may review these records at any time.
(2) You must also keep records of the individual exempted vehicles you produce, including the vehicle identification number and a description of the vehicle configuration.
(3) Within 90 days after the end of each model year, you must send to the Designated Compliance Officer a report with the following information:
(i) A description of each exempted vehicle configuration, including an explanation of why it qualifies for this exemption.
(ii) The number of vehicles exempted for each vehicle configuration.
(d) Labeling. You must include the following additional statement on the vehicle's emission control information label under §1037.135: “THIS VEHICLE WAS EXEMPTED UNDER 40 CFR 1037.631.”
[89 FR 29788, Apr. 22, 2024]
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