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Diesel Exhaust Fluid (DEF)
STI has developed a new Recommended Practice for the manufacturing of tanks to store DEF, Diesel Exhaust Fluid. Truck stops throughout the United States are currently installing new equipment for the dispensing of DEF. For more information about DEF (also known as urea), STI has provided the following links.
“What is DEF?”
“What you need to know about DEF”
PEI RP1100, “RP for the Storage and Dispensing of Diesel Exhaust Fluid (DEF)”
Detroit Diesel website
Diesel Direct website
Ultra Low Sulfur Diesel (ULSD) Corrison Issues (Publication)
“Associating with other fabricators has improved our manufacturing and broadened our abilities.”
Jim O’Day
O’Day Tanks
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