Applications & Regulations


Please note: Diesel Particulate Filters from Catalytic Exhaust Products LTD are only approved for stationary engines in California.

CARB - California Air Resource Board   

Solution: Diesel Particulate Filters

CARB’s mission is “to promote and protect health, welfare and ecological resources through the effective and efficient reduction of air pollutants while recognizing and considering the effects of the economy of the state”. California is the only state permitted to create standards. Other states can follow either Califronia or US federal emission standards. CARB has historically set the highest air standards so most equipment sold throughout the US are built to CARB regulation.

Restrictions / Exposure Limits:

  • CARB Diesel Emission Control Strategies Verification: Diesel Particulate Matter (PM) reduction:    
    • 85%+ for Level 3
    • 50%+ for Level 2
    • 25%+ for Level 1 

Note: Our Dieselytic SXS diesel particulate filters meet Level 1, 2 or 3 off-road diesel engine verification standards and meet the requirements for a Level 3+ system, the “plus” designation for complying with the maximum 20% NO2 increase limit

Additional Information:

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