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InformationOn-Road Heavy-Duty and Off-Road Compression Ignition Certification Programs: Engine Certification Workshop - Durability And Deterioration Factors - 2020
NoticeCalifornia State of Emergency (October 27, 2019): Operation of Portable Back-up Generators to Alleviate the Threat to Public Health and Safety in Anticipation of an Imminent Public Safety Power Shutoff
InformationOn-Road Heavy-Duty Certification Program: California Test Procedures Heavy-Duty Hybrid Vehicles - Interim
InformationOn-Road Heavy-Duty and Off-Road Compression Ignition Certification Programs: 2015 Family Naming Conventions
InformationOn-Road Heavy-Duty and Off-Road Compression Ignition Certification Programs: 2013 Family Naming Conventions