Key to the care and feeding of today's latest engines is a mysterious fluid called DEF (diesel exhaust fluid). Following is some information about DEF to help you manage your Tier 4 equipment for ...
Diesel Exhaust Fluid (DEF) is made from a mixture of technically pure urea and purified water and must be handled and stored properly to preserve its quality. This is true for drivers filling up on ...
Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...
This story appears in the Oct. 19 print edition of Transport Topics. LAS VEGAS — As the deadline nears for implementation of the latest change in federal emission rules, truck makers and fleets are ...
Starting in January, new, all 2010-model- year trucks in the U.S. (except for International brand vehicles) will need to keep an onboard tank filled with Diesel Exhaust Fluid (DEF) to be in compliance ...
As most people are aware, the EPA signed the final rule introducing Tier 4 emission standards back on May 11, 2004 to reduce two key pollutants: particulate matter (PM) and nitrogen oxide (NOx) ...
Manufacturers' required DEF derates will soon be less severe. Current equipment may enter limp mode and slow to 5 mph, or stop altogether until a DEF fault is cleared. The EPA's new guidance for ...
Washington, D.C., Aug. 12, 2025 (GLOBE NEWSWIRE) -- The Engine Technology Forum issued the following statement from Allen Schaeffer, Executive Director, on the announcement from the U.S. Environmental ...
Consumption of diesel exhaust fluid across North America has been rising in recent years and is set to hit a milestone of one billion gallons by 2019, according to the newly published DEF Market ...
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