Off-Road Certification Database

The Executive Orders below will soon be replaced by an updated New Vehicle and Engine Programs Branch - Issued Executive Orders (EO) webpage after which time EOs are no longer posted on this web site. Instead, EO information is listed on Excel spreadsheets which are posted on the web page link below:

https://ww2.arb.ca.gov/new-vehicle-and-engine-programs-branch-issued-executive-orders

Browse Executive Orders



For more information on Off-Road Compression-Ignition (Diesel) Engine Certification Database, please contact James Pang at (626) 450-6127.

For more information on Off-Road Spark-Ignited Engine Certification Database, please contact Byron Ng at (626) 459-4312.

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