Staff of the California Air Resources Board are not recommending extending the existing 7-year operating life for model year 2004 and newer transport refrigeration units (TRUs).


The American Trucking Associations reports that at a recent workshop to discuss changes to their existing TRU regulation, CARB staff cited the potential for increased emissions as the reason for not pursuing this extension.

CARB staff is still considering compliance extensions for pre-2004 TRUs that have been brought into compliance under the first phase of the regulation and could be subject to a second compliance requirement.

Although nothing is finalized at this point, CARB staff is working to complete a draft revised regulation by early September with an adoption hearing scheduled for October.

The workshop slides that summarize the potential changes and the preliminary draft regulatory language are available on CARB's TRU website.

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