TRU ATCM Frequently Asked Questions (FAQs)
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Last updated December 30, 2025.
TRU and Applicable Facility Fee Requirements FAQ: FAQ document on the TRU operating and applicable facility registration fee requirements in a questions and answer format.
Fee Payment Instructions: Guidance document on paying TRU operating and applicable facility registration fees.
TRU ATCM Fee Authority Implementation Update 2025: Update on the fee authority for TRU and applicable facility owners.
TRU ATCM Zero-Emission Requirement Implementation Update 2025: Update on the zero-emission truck TRU requirements.
TRU ATCM FAQ Authorization and Implementation FAQ: FAQ document on the zero-emission truck TRU requirements in a questions and answer format.
TRU Applicable Facility Requirements FAQ: FAQ document on the TRU applicable facility requirements in a questions and answer format.
How to Check TRU Compliance: Guidance document for applicable facilities on how to check TRU compliance.
How to Report a TRU to CARB: Step-by-step process document for TRU owners or owner/operators on how to create an account in ARBER and report a TRU to CARB.
TRU Compliance Label Instructions: Guidance document for TRU owners or owner/operators on affixing CARB-issued compliance labels on TRUs.
TRU Compliance Label Requirements FAQ: FAQ document on the TRU compliance label requirements in a questions and answer format.
Frequently Asked Questions for Compliance with the TRU ATCM (Español): FAQ document on the TRU ATCM and the 2022 Amendments in a question and answer format.
Fact Sheet on the 2022 Amendments to the TRU ATCM (Español): Fact Sheet on the 2022 Amendments, including cost impact, health analysis, and emissions reductions.
Refrigerant Disposal: Federal requirements (section 608 of the Clean Air Act) for recovery and recycling of ozone depleting refrigerants during servicing and disposal of TRUs.
Overview: Diesel Exhaust and Health: Diesel particulate matter and the health risks associated with it. Environmental effects are also discussed.