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Guides for fleets and owner-operators navigating California's Clean Truck Check program and CTC-VIS. We are a third-party service—not CARB.

Jul 27, 2026
California CARB Compliance for Heavy-Duty Trucks: Complete 2026 Guide
Learn everything about California CARB compliance for heavy-duty trucks, Clean Truck Check requirements, CTC-VIS registration, testing schedules, costs, and how to avoid fines, DMV registration holds, and costly downtime.
Mar 28, 2026
What Is Clean Truck Check? A California Fleet and Owner-Operator Guide
Understand California’s Clean Truck Check program, who must comply, how CTC-VIS fits in, testing timelines for heavy-duty trucks, and how to stay out of trouble with CARB enforcement.
Mar 20, 2026
California CARB Compliance for Heavy-Duty Trucks — What Operators Should Know
How California CARB compliance applies to heavy-duty trucks, how Clean Truck Check fits into the bigger picture, and practical steps to avoid fines, holds, and downtime.