NOxBLUE is certified by the American Petroleum Institute, the only national trade association that represents all aspects of America’s oil and natural gas industry. This voluntary 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 ISO performance requirements.
For more information on the American Petroleum Institute and its diesel exhaust fluid certification program, visit www.apidef.org
