DEF Quick Facts - API Certification
Q: What is API Certification?
A: The API Certification program authorizes diesel exhaust fluid marketers that meet specified requirements to use the API Diesel Exhaust Fluid Certification Mark. This Mark identifies diesel exhaust fluid marketers that have certified that they meet the ISO performance requirements. API Diesel Exhaust Fluid Certification has many benefits:
• Identifies for consumers diesel exhaust fluids that meet diesel engine
manufacturer requirements.
• Helps consumers find those fluids.
• Gives consumers a choice of quality brands from which to choose.
• Helps reduce Nitrogen Oxide emissions.
• Provides rigorous monitoring of fluids in the marketplace.
• Tests licensed fluids to ensure that they meet program requirements.
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