On-Road Heavy-Duty Certification Program Back To All Programs On-Road Heavy-Duty Certification ProgramAboutNewsResources Subscribe Primary Contact Compression Ignition and Heavy-Duty Certification Email cihd@arb.ca.gov Phone (800) 242-4450 Categories Topics On-Road Heavy-Duty Vehicles Division Emissions Certification and Compliance Division News Jan 30, 2007 ARB Settles with Cummins Engine Co. for $1.1 million
