Transport Refrigeration Unit
Transport Refrigeration Units (TRU) are refrigeration systems powered by diesel internal combustion engines designed to refrigerate or heat perishable products that are transported in various containers, including truck vans, semi-truck trailers, shipping containers, and railcars.
More about this program
2022 Amendments to the TRU ATCM
CARB issued an Implementation Update on the fee requirements for TRU and applicable facility owners.
New requirements begin December 31, 2023. Guidance Documents are available at TRU FAQs.
Applicable Facility documents, including the Applicable Facility Registration Form and TRU Reporting Template are available at TRU Applicable Facility.
The application form for Compliance Extensions Based on Unavailability of Compliance Technology is available at TRU Forms.
