Welcome to CARB information website – brought to you by CDTi. As the CARB compliance experts, we have collected various diesel-related resources from the California Air Resources Board (CARB) and organized them here for your convenience.

This site provides CARB compliance resources. Information on converting your fleet, CARB news and updates, as well as information on CARB-compliant retrofit emission systems for diesel applications. If you are ready to start converting your fleet, we can provide assistance with that process as well.

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Due to its nature, CDTi provides the information contained in this website as a courtesy and does not assume any responsibility or liability for the information or resources provided or their accuracy. Following of guidelines provided by this website does not in any way guarantee compliance with CARB or any other legislative body or directives.