News and guides
Clean Truck Check news and updates
CARB rule changes, enforcement news and plain-English how-tos for owner-operators and fleets, from the AIRLIMITS team.
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CARB Border Crackdown: How to Cross Into California Without Getting Turned Around
Updated February 2026: The California Air Resources Board has confirmed active enforcement at state borders, weigh stations, ports, and railyards....
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More from the blog
AIRLIMITS Peaks to New Heights: Unveiling HD IM Testing and Inspection for CARB in Salt Lake City
In an ascent towards cleaner skies and a commitment to environmental excellence, AIRLIMITS proudly announces the expansion of its services to the...
CARB’s Clean Truck Check Program: New Guidance and Updates
The California Air Resources Board (CARB) has released important guidance documents regarding the Clean Truck Check program. This initiative,...
AIRLIMITS is now in the Windy City: Introducing HD IM Testing and Inspection for CARB in Chicago
AIRLIMITS is thrilled to announce the extension of its services to the bustling city of Chicago, Illinois. Our latest venture involves offering...
Did You Receive an NST from CARB? Trust AIRLIMITS for Hassle-Free OBD Testing!
Did You Receive an NST from CARB? Trust AIRLIMITS for Hassle-Free OBD Testing! If you are a diesel or hybrid fleet owner in California, chances are...
CARB HD IM Clean Truck Check OBD Testing now available
CARB HD IM Clean Truck Check OBD Testing Services for Diesel and Hybrid Fleets Are you a diesel or hybrid fleet owner in need of CARB HD IM Clean...
NUEVOS requisitos de informes y pruebas de conformidad I/M para flotas diesel y de combustible alternativo de California
¿Es usted propietario, operador o expedidor de camiones pesados en California o con destino a California? Entonces necesita conocer el próximo...
NEW HD I/M Compliance Testing & Reporting Requirements for California Diesel & Alternative Fuel Fleets
Do you own, operate, or dispatch heavy-duty trucks in or to California? Then you need to know about the California Air Resources Board's (CARB)...
Normativa portuaria y ferroviaria de California para camiones diésel
Los propietarios de camiones de acarreo con motor del año 2007 o más reciente cumplen con la normativa hasta el 31 de diciembre de 2022 en los...
California Ports & Rail Regulations for Diesel Trucks
Owners of Drayage Trucks with Engine Model Year 2007 or newer are fully compliant until December 31, 2022 for ports and rail yards in...
Inspección de límites aéreos y servicios de formación
AIRLIMITS (Límites de aire) puede formar a sus empleados para que reconozcan los equipos que no cumplen la normativa, una medida de ahorro para su...
Air Limits Inspection and Training Services
AIRLIMITS (Air Limits) can train your employees to recognize non-compliant equipment, a cost-saving measure for your business. A potential cost...
Servicios de auditoría y citación CARB
A partir de 2020, el Departamento de Vehículos Motorizados de California (DMV) comienza la verificación del cumplimiento para garantizar que los...
Questions about your trucks?
Read the full Clean Truck Check guide, or call or text 1-800-788-5241 any time.