New Vehicle and Engine Certification: Executive Orders for MY2026 Large Spark-Ignited Engines - Exhaust
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The New Vehicle and Engine Certification Program is responsible for the certification of new engines, vehicles, powertrains, aerodynamic devices and other new certifications. Vehicles and engines may be sold and otherwise produced in California only if approved by Executive Order (EO) after review by CARB. Executive Orders are issued for on-road and off-road categories.
Scanned copies of issued Executive Orders may be requested via email.
The following Executive Orders granted to the listed manufacturers of large spark-ignited engine families have been issued during the 2026 model year, as of July 30, 2025.
Further information is available in the Executive Orders Summary.
For questions, please contact Off-Road Spark-Ignited Engine Certification or Help Line at 1-800-242-4450.