New Vehicle and Engine Certification: Executive Orders for newly-certified Off-Road Compression-Ignition Engines Contact Compression Ignition and Heavy-Duty Certification Email cihd@arb.ca.gov Phone (800) 242-4450 The following Executive Orders have been issued to the listed off-road compression engine manufacturers during the last 90 days.Further information is available in the Executive Orders Summary.For questions, please contact cihd@arb.ca.gov or 1-800-242-4450.NONE ISSUED IN THE LAST 90 DAYS
